diff --git a/services/tests/servicestests/src/com/android/server/AlarmManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/AlarmManagerServiceTest.java
index 918807d..1f63d61 100644
--- a/services/tests/servicestests/src/com/android/server/AlarmManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/AlarmManagerServiceTest.java
@@ -20,10 +20,11 @@
 
 import static org.junit.Assert.assertEquals;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.SparseArray;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.util.ObjectUtils;
 import com.android.server.AlarmManagerService.Alarm;
 
diff --git a/services/tests/servicestests/src/com/android/server/AppOpsUpgradeTest.java b/services/tests/servicestests/src/com/android/server/AppOpsUpgradeTest.java
index 4d77fab..aac96a1 100644
--- a/services/tests/servicestests/src/com/android/server/AppOpsUpgradeTest.java
+++ b/services/tests/servicestests/src/com/android/server/AppOpsUpgradeTest.java
@@ -25,13 +25,14 @@
 import android.content.res.AssetManager;
 import android.os.Handler;
 import android.os.HandlerThread;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Log;
 import android.util.SparseArray;
 import android.util.Xml;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/AppStateTrackerTest.java b/services/tests/servicestests/src/com/android/server/AppStateTrackerTest.java
index 933b3d6..910aad7f 100644
--- a/services/tests/servicestests/src/com/android/server/AppStateTrackerTest.java
+++ b/services/tests/servicestests/src/com/android/server/AppStateTrackerTest.java
@@ -60,12 +60,13 @@
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.provider.Settings.Global;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.mock.MockContentResolver;
 import android.util.ArraySet;
 import android.util.Pair;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.app.IAppOpsCallback;
 import com.android.internal.app.IAppOpsService;
 import com.android.server.AppStateTracker.Listener;
diff --git a/services/tests/servicestests/src/com/android/server/BatteryServiceTest.java b/services/tests/servicestests/src/com/android/server/BatteryServiceTest.java
index 106f9e8..cb12ba7 100644
--- a/services/tests/servicestests/src/com/android/server/BatteryServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/BatteryServiceTest.java
@@ -17,28 +17,25 @@
 package com.android.server;
 
 import static junit.framework.Assert.*;
+
 import static org.mockito.Mockito.*;
 
 import android.hardware.health.V2_0.IHealth;
 import android.hidl.manager.V1_0.IServiceManager;
 import android.hidl.manager.V1_0.IServiceNotification;
-import android.os.RemoteException;
-import android.support.test.filters.SmallTest;
 import android.test.AndroidTestCase;
-import android.util.Slog;
+
+import androidx.test.filters.SmallTest;
+
+import org.mockito.ArgumentMatcher;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.mockito.invocation.InvocationOnMock;
 
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.NoSuchElementException;
 
-import org.junit.runner.RunWith;
-import org.mockito.ArgumentMatcher;
-import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
-import org.mockito.Spy;
-import org.mockito.invocation.InvocationOnMock;
-
-
 public class BatteryServiceTest extends AndroidTestCase {
 
     @Mock IServiceManager mMockedManager;
diff --git a/services/tests/servicestests/src/com/android/server/BootReceiverFixFsckFsStatTest.java b/services/tests/servicestests/src/com/android/server/BootReceiverFixFsckFsStatTest.java
index 69c1499..9ba3308 100644
--- a/services/tests/servicestests/src/com/android/server/BootReceiverFixFsckFsStatTest.java
+++ b/services/tests/servicestests/src/com/android/server/BootReceiverFixFsckFsStatTest.java
@@ -18,10 +18,8 @@
 
 import static junit.framework.Assert.*;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
-import junit.framework.Assert;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/GestureLauncherServiceTest.java b/services/tests/servicestests/src/com/android/server/GestureLauncherServiceTest.java
index 33e4165..2ec6830 100644
--- a/services/tests/servicestests/src/com/android/server/GestureLauncherServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/GestureLauncherServiceTest.java
@@ -33,12 +33,13 @@
 import android.os.UserHandle;
 import android.platform.test.annotations.Presubmit;
 import android.provider.Settings;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.mock.MockContentResolver;
-import android.view.KeyEvent;
 import android.util.MutableBoolean;
+import android.view.KeyEvent;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
@@ -46,17 +47,16 @@
 import com.android.server.LocalServices;
 import com.android.server.statusbar.StatusBarManagerInternal;
 
-import java.util.List;
-
 import org.junit.Before;
 import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.JUnit4;
 import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
+import java.util.List;
+
 /**
  * Unit tests for {@link GestureLauncherService}.
  * runtest frameworks-services -c com.android.server.GestureLauncherServiceTest
diff --git a/services/tests/servicestests/src/com/android/server/NetworkManagementInternalTest.java b/services/tests/servicestests/src/com/android/server/NetworkManagementInternalTest.java
index c9180a9..4bac200 100644
--- a/services/tests/servicestests/src/com/android/server/NetworkManagementInternalTest.java
+++ b/services/tests/servicestests/src/com/android/server/NetworkManagementInternalTest.java
@@ -29,10 +29,11 @@
 import static org.junit.Assert.assertTrue;
 
 import android.net.NetworkPolicyManager;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.ArrayMap;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -52,7 +53,7 @@
  * Install: adb install -r \
  *     ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk
  * Run: adb shell am instrument -e class com.android.server.NetworkManagementInternalTest -w \
- *     com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ *     com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  */
 @SmallTest
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/NetworkPolicyManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/NetworkPolicyManagerServiceTest.java
index 17babe9..eb28e1a 100644
--- a/services/tests/servicestests/src/com/android/server/NetworkPolicyManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/NetworkPolicyManagerServiceTest.java
@@ -114,8 +114,6 @@
 import android.os.SimpleClock;
 import android.os.SystemClock;
 import android.os.UserHandle;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
 import android.telephony.CarrierConfigManager;
 import android.telephony.SubscriptionManager;
 import android.telephony.SubscriptionPlan;
@@ -128,6 +126,9 @@
 import android.util.Range;
 import android.util.RecurrenceRule;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.telephony.PhoneConstants;
 import com.android.internal.util.test.BroadcastInterceptingContext;
 import com.android.internal.util.test.BroadcastInterceptingContext.FutureIntent;
@@ -135,9 +136,6 @@
 import com.android.server.net.NetworkPolicyManagerService;
 import com.android.server.net.NetworkStatsManagerInternal;
 
-import libcore.io.IoUtils;
-import libcore.io.Streams;
-
 import com.google.common.util.concurrent.AbstractFuture;
 
 import org.junit.After;
@@ -154,6 +152,9 @@
 import org.mockito.invocation.InvocationOnMock;
 import org.mockito.stubbing.Answer;
 
+import libcore.io.IoUtils;
+import libcore.io.Streams;
+
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.InputStream;
@@ -190,7 +191,7 @@
     m -j32 FrameworksServicesTests && adb install -r -g \
     ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk && \
     adb shell am instrument -e class "com.android.server.NetworkPolicyManagerServiceTest" -w \
-    "com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner"
+    "com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner"
  * </code></pre>
  */
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/NetworkScoreServiceTest.java b/services/tests/servicestests/src/com/android/server/NetworkScoreServiceTest.java
index 4176d2a..e9e96c9 100644
--- a/services/tests/servicestests/src/com/android/server/NetworkScoreServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/NetworkScoreServiceTest.java
@@ -24,14 +24,12 @@
 import static junit.framework.Assert.fail;
 
 import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyBoolean;
 import static org.mockito.Matchers.anyListOf;
 import static org.mockito.Matchers.anyString;
 import static org.mockito.Matchers.eq;
 import static org.mockito.Mockito.atLeastOnce;
 import static org.mockito.Mockito.doThrow;
 import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.timeout;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
@@ -47,7 +45,6 @@
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManagerInternal;
 import android.content.res.Resources;
-import android.database.ContentObserver;
 import android.net.INetworkRecommendationProvider;
 import android.net.INetworkScoreCache;
 import android.net.NetworkKey;
@@ -69,9 +66,10 @@
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.devicepolicy.MockUtils;
 
diff --git a/services/tests/servicestests/src/com/android/server/NetworkScorerAppManagerTest.java b/services/tests/servicestests/src/com/android/server/NetworkScorerAppManagerTest.java
index 6874624..52428e8 100644
--- a/services/tests/servicestests/src/com/android/server/NetworkScorerAppManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/NetworkScorerAppManagerTest.java
@@ -34,7 +34,6 @@
 import android.app.AppOpsManager;
 import android.content.ComponentName;
 import android.content.Context;
-import android.content.Intent;
 import android.content.pm.ActivityInfo;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
@@ -45,14 +44,14 @@
 import android.net.NetworkScorerAppData;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.R;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.mockito.ArgumentMatcher;
 import org.mockito.Mock;
 import org.mockito.Mockito;
 import org.mockito.MockitoAnnotations;
diff --git a/services/tests/servicestests/src/com/android/server/WatchdogDiagnosticsTest.java b/services/tests/servicestests/src/com/android/server/WatchdogDiagnosticsTest.java
index 6e76b67..4d229ef 100644
--- a/services/tests/servicestests/src/com/android/server/WatchdogDiagnosticsTest.java
+++ b/services/tests/servicestests/src/com/android/server/WatchdogDiagnosticsTest.java
@@ -18,14 +18,14 @@
 
 import static org.junit.Assert.assertEquals;
 
-import android.support.test.runner.AndroidJUnit4;
-
-import java.io.PrintWriter;
-import java.io.StringWriter;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import java.io.PrintWriter;
+import java.io.StringWriter;
+
 /**
  * Unit tests for {@link WatchdogDiagnostics}
  */
diff --git a/services/tests/servicestests/src/com/android/server/accessibility/AccessibilityManagerTest.java b/services/tests/servicestests/src/com/android/server/accessibility/AccessibilityManagerTest.java
index 5d09e31..4c0f38a 100644
--- a/services/tests/servicestests/src/com/android/server/accessibility/AccessibilityManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/accessibility/AccessibilityManagerTest.java
@@ -18,6 +18,7 @@
 
 import static junit.framework.TestCase.assertFalse;
 import static junit.framework.TestCase.assertSame;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
@@ -30,13 +31,14 @@
 import android.app.Instrumentation;
 import android.os.Looper;
 import android.os.UserHandle;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
 import android.view.accessibility.IAccessibilityManager;
 import android.view.accessibility.IAccessibilityManagerClient;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.util.IntPair;
 
 import org.junit.Before;
diff --git a/services/tests/servicestests/src/com/android/server/accessibility/KeyEventDispatcherTest.java b/services/tests/servicestests/src/com/android/server/accessibility/KeyEventDispatcherTest.java
index 1819398..236b458 100644
--- a/services/tests/servicestests/src/com/android/server/accessibility/KeyEventDispatcherTest.java
+++ b/services/tests/servicestests/src/com/android/server/accessibility/KeyEventDispatcherTest.java
@@ -19,6 +19,7 @@
 import static junit.framework.TestCase.assertEquals;
 import static junit.framework.TestCase.assertFalse;
 import static junit.framework.TestCase.assertTrue;
+
 import static org.mockito.Matchers.anyInt;
 import static org.mockito.Matchers.anyLong;
 import static org.mockito.Matchers.anyObject;
@@ -30,11 +31,6 @@
 import static org.mockito.Mockito.when;
 import static org.mockito.hamcrest.MockitoHamcrest.argThat;
 
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
-
 import android.content.Context;
 import android.os.Handler;
 import android.os.IPowerManager;
@@ -42,9 +38,10 @@
 import android.os.Message;
 import android.os.PowerManager;
 import android.os.RemoteException;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.KeyEvent;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.accessibility.KeyEventDispatcher.KeyEventFilter;
 import com.android.server.policy.WindowManagerPolicy;
 
@@ -56,6 +53,11 @@
 import org.junit.runner.RunWith;
 import org.mockito.ArgumentCaptor;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
 /**
  * Tests for KeyEventDispatcher
  */
diff --git a/services/tests/servicestests/src/com/android/server/accessibility/KeyboardInterceptorTest.java b/services/tests/servicestests/src/com/android/server/accessibility/KeyboardInterceptorTest.java
index ceb3f9d..851e221 100644
--- a/services/tests/servicestests/src/com/android/server/accessibility/KeyboardInterceptorTest.java
+++ b/services/tests/servicestests/src/com/android/server/accessibility/KeyboardInterceptorTest.java
@@ -23,14 +23,19 @@
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Matchers.anyInt;
 import static org.mockito.Matchers.anyObject;
-import static org.mockito.Matchers.isNull;
-import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 import static org.mockito.hamcrest.MockitoHamcrest.argThat;
 
-import org.hamcrest.BaseMatcher;
+import android.os.Looper;
+import android.view.KeyEvent;
+
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.server.policy.WindowManagerPolicy;
+import com.android.server.policy.WindowManagerPolicy.WindowState;
+
 import org.hamcrest.Description;
 import org.hamcrest.TypeSafeMatcher;
 import org.junit.Before;
@@ -42,13 +47,6 @@
 import org.mockito.Mockito;
 import org.mockito.MockitoAnnotations;
 
-import android.os.Looper;
-import android.support.test.runner.AndroidJUnit4;
-import android.view.KeyEvent;
-
-import com.android.server.policy.WindowManagerPolicy;
-import com.android.server.policy.WindowManagerPolicy.WindowState;
-
 /**
  * Tests for KeyboardInterceptor
  */
diff --git a/services/tests/servicestests/src/com/android/server/accessibility/MagnificationControllerTest.java b/services/tests/servicestests/src/com/android/server/accessibility/MagnificationControllerTest.java
index 5253cb4..f9d264b 100644
--- a/services/tests/servicestests/src/com/android/server/accessibility/MagnificationControllerTest.java
+++ b/services/tests/servicestests/src/com/android/server/accessibility/MagnificationControllerTest.java
@@ -17,9 +17,9 @@
 package com.android.server.accessibility;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.assertFalse;
 import static org.mockito.ArgumentMatchers.anyFloat;
 import static org.mockito.Matchers.anyObject;
 import static org.mockito.Matchers.eq;
@@ -43,9 +43,10 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.os.Message;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.MagnificationSpec;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.R;
 import com.android.server.wm.WindowManagerInternal;
 import com.android.server.wm.WindowManagerInternal.MagnificationCallbacks;
diff --git a/services/tests/servicestests/src/com/android/server/accessibility/MagnificationGestureHandlerTest.java b/services/tests/servicestests/src/com/android/server/accessibility/MagnificationGestureHandlerTest.java
index 23fe0ff..79e4d70 100644
--- a/services/tests/servicestests/src/com/android/server/accessibility/MagnificationGestureHandlerTest.java
+++ b/services/tests/servicestests/src/com/android/server/accessibility/MagnificationGestureHandlerTest.java
@@ -35,12 +35,13 @@
 import android.annotation.NonNull;
 import android.content.Context;
 import android.os.Message;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.DebugUtils;
 import android.view.InputDevice;
 import android.view.MotionEvent;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.testutils.OffsettableClock;
 import com.android.server.testutils.TestHandler;
 
@@ -50,7 +51,6 @@
 
 import java.util.function.IntConsumer;
 
-
 /**
  * Tests the state transitions of {@link MagnificationGestureHandler}
  *
diff --git a/services/tests/servicestests/src/com/android/server/accessibility/MotionEventInjectorTest.java b/services/tests/servicestests/src/com/android/server/accessibility/MotionEventInjectorTest.java
index 6cacb1f..5f0fa87 100644
--- a/services/tests/servicestests/src/com/android/server/accessibility/MotionEventInjectorTest.java
+++ b/services/tests/servicestests/src/com/android/server/accessibility/MotionEventInjectorTest.java
@@ -19,6 +19,7 @@
 import static android.view.MotionEvent.ACTION_DOWN;
 import static android.view.MotionEvent.ACTION_UP;
 import static android.view.WindowManagerPolicyConstants.FLAG_PASS_TO_USER;
+
 import static org.hamcrest.CoreMatchers.allOf;
 import static org.hamcrest.CoreMatchers.anyOf;
 import static org.hamcrest.CoreMatchers.everyItem;
@@ -45,18 +46,14 @@
 import android.os.Looper;
 import android.os.Message;
 import android.os.RemoteException;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Log;
-import android.util.Pair;
 import android.view.InputDevice;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-
 import android.view.accessibility.AccessibilityEvent;
+
+import androidx.test.runner.AndroidJUnit4;
+
 import org.hamcrest.Description;
 import org.hamcrest.Matcher;
 import org.hamcrest.TypeSafeMatcher;
@@ -66,6 +63,10 @@
 import org.junit.runner.RunWith;
 import org.mockito.ArgumentCaptor;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
 /**
  * Tests for MotionEventInjector
  */
diff --git a/services/tests/servicestests/src/com/android/server/accounts/AccountManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/accounts/AccountManagerServiceTest.java
index 149ef15..5c449b3 100644
--- a/services/tests/servicestests/src/com/android/server/accounts/AccountManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/accounts/AccountManagerServiceTest.java
@@ -17,6 +17,7 @@
 package com.android.server.accounts;
 
 import static android.database.sqlite.SQLiteDatabase.deleteDatabase;
+
 import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyBoolean;
 import static org.mockito.Matchers.anyInt;
@@ -25,7 +26,6 @@
 import static org.mockito.Mockito.atLeast;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.nullable;
-import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
@@ -35,11 +35,10 @@
 import android.accounts.CantAddAccountActivity;
 import android.accounts.IAccountManagerResponse;
 import android.app.AppOpsManager;
+import android.app.INotificationManager;
 import android.app.admin.DevicePolicyManager;
 import android.app.admin.DevicePolicyManagerInternal;
-import android.app.INotificationManager;
 import android.content.BroadcastReceiver;
-import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
@@ -67,7 +66,6 @@
 import android.test.suitebuilder.annotation.SmallTest;
 import android.util.Log;
 
-import com.android.frameworks.servicestests.R;
 import com.android.server.LocalServices;
 
 import org.mockito.ArgumentCaptor;
@@ -90,7 +88,6 @@
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicLong;
 
-
 /**
  * Tests for {@link AccountManagerService}.
  * <p>Run with:<pre>
@@ -98,7 +95,7 @@
  * adb install -r ${OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk
  * adb shell am instrument -w -e package com.android.server.accounts \
  * com.android.frameworks.servicestests\
- * /android.support.test.runner.AndroidJUnitRunner
+ * /androidx.test.runner.AndroidJUnitRunner
  * </pre>
  */
 public class AccountManagerServiceTest extends AndroidTestCase {
diff --git a/services/tests/servicestests/src/com/android/server/accounts/AccountsDbTest.java b/services/tests/servicestests/src/com/android/server/accounts/AccountsDbTest.java
index 5d0c23f..fa7501d 100644
--- a/services/tests/servicestests/src/com/android/server/accounts/AccountsDbTest.java
+++ b/services/tests/servicestests/src/com/android/server/accounts/AccountsDbTest.java
@@ -17,14 +17,20 @@
 
 package com.android.server.accounts;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+
 import android.accounts.Account;
 import android.content.Context;
 import android.database.Cursor;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.SmallTest;
 import android.util.Pair;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -35,11 +41,6 @@
 import java.util.List;
 import java.util.Map;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
-
 /**
  * Tests for {@link AccountsDb}.
  * <p>Run with:<pre>
@@ -47,7 +48,7 @@
  * adb install \
  * -r out/target/product/marlin/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
  * adb shell am instrument -e class com.android.server.accounts.AccountsDbTest \
- * -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ * -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  * </pre>
  */
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityLaunchParamsModifierTests.java b/services/tests/servicestests/src/com/android/server/am/ActivityLaunchParamsModifierTests.java
index 583a9dd..9de64f2 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityLaunchParamsModifierTests.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityLaunchParamsModifierTests.java
@@ -16,28 +16,29 @@
 
 package com.android.server.am;
 
+import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
+import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
+
+import static com.android.server.am.LaunchParamsController.LaunchParamsModifier.RESULT_DONE;
+import static com.android.server.am.LaunchParamsController.LaunchParamsModifier.RESULT_SKIP;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
 import android.app.ActivityOptions;
 import android.content.pm.ActivityInfo;
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.am.LaunchParamsController.LaunchParams;
-import org.junit.runner.RunWith;
+
 import org.junit.Before;
 import org.junit.Test;
-
-import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
-import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
-import static com.android.server.am.LaunchParamsController.LaunchParamsModifier.RESULT_DONE;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.doAnswer;
-
-import static com.android.server.am.LaunchParamsController.LaunchParamsModifier.RESULT_SKIP;
+import org.junit.runner.RunWith;
 
 /**
  * Tests for exercising resizing bounds due to activity options.
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityManagerInternalTest.java b/services/tests/servicestests/src/com/android/server/am/ActivityManagerInternalTest.java
index bce87dc..9a7488e 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityManagerInternalTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityManagerInternalTest.java
@@ -21,8 +21,9 @@
 
 import android.app.ActivityManagerInternal;
 import android.os.SystemClock;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -43,7 +44,7 @@
  * Install: adb install -r \
  *     ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk
  * Run: adb shell am instrument -e class com.android.server.am.ActivityManagerInternalTest -w \
- *     com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ *     com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  */
 @RunWith(AndroidJUnit4.class)
 public class ActivityManagerInternalTest {
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/am/ActivityManagerServiceTest.java
index aeae11a..47ce879 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityManagerServiceTest.java
@@ -28,6 +28,7 @@
 import static android.app.ActivityManager.PROCESS_STATE_SERVICE;
 import static android.app.ActivityManager.PROCESS_STATE_TOP;
 import static android.util.DebugUtils.valueToString;
+
 import static com.android.server.am.ActivityManagerInternalTest.CustomThread;
 import static com.android.server.am.ActivityManagerService.DISPATCH_UIDS_CHANGED_UI_MSG;
 import static com.android.server.am.ActivityManagerService.Injector;
@@ -62,9 +63,10 @@
 import android.os.Process;
 import android.os.RemoteException;
 import android.os.SystemClock;
-import android.support.test.filters.MediumTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.MediumTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.AppOpsService;
 
@@ -97,7 +99,7 @@
  * Install: adb install -r \
  *     ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk
  * Run: adb shell am instrument -e class com.android.server.am.ActivityManagerServiceTest -w \
- *     com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ *     com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  */
 @SmallTest
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityOptionsTest.java b/services/tests/servicestests/src/com/android/server/am/ActivityOptionsTest.java
index 28b37c5..d15bff4 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityOptionsTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityOptionsTest.java
@@ -20,19 +20,19 @@
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.view.WindowManager.LayoutParams.ROTATION_ANIMATION_ROTATE;
+
 import static org.junit.Assert.assertEquals;
 
 import android.app.ActivityOptions;
 import android.os.Bundle;
-import android.os.Debug;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-
 /**
  * atest FrameworksServicesTests:ActivityOptionsTest
  */
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityRecordTests.java b/services/tests/servicestests/src/com/android/server/am/ActivityRecordTests.java
index 6cfa317..2338744 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityRecordTests.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityRecordTests.java
@@ -22,11 +22,7 @@
 import static android.content.pm.ActivityInfo.RESIZE_MODE_UNRESIZEABLE;
 import static android.view.Display.DEFAULT_DISPLAY;
 
-import static com.android.server.am.ActivityStack.ActivityState.DESTROYED;
-import static com.android.server.am.ActivityStack.ActivityState.DESTROYING;
-import static com.android.server.am.ActivityStack.ActivityState.FINISHING;
 import static com.android.server.am.ActivityStack.ActivityState.INITIALIZING;
-import static com.android.server.am.ActivityStack.ActivityState.PAUSED;
 import static com.android.server.am.ActivityStack.ActivityState.PAUSING;
 import static com.android.server.am.ActivityStack.ActivityState.STOPPED;
 import static com.android.server.am.ActivityStack.REMOVE_TASK_MODE_MOVING;
@@ -43,7 +39,6 @@
 import static org.mockito.Mockito.any;
 import static org.mockito.Mockito.anyInt;
 import static org.mockito.Mockito.doAnswer;
-import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.eq;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
@@ -54,14 +49,14 @@
 import android.app.servertransaction.PauseActivityItem;
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.MutableBoolean;
 
-import org.junit.runner.RunWith;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
+import org.junit.runner.RunWith;
 import org.mockito.invocation.InvocationOnMock;
 
 /**
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityStackSupervisorTests.java b/services/tests/servicestests/src/com/android/server/am/ActivityStackSupervisorTests.java
index 3c4fe18..20df2ae 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityStackSupervisorTests.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityStackSupervisorTests.java
@@ -27,8 +27,7 @@
 import static android.content.pm.ActivityInfo.FLAG_SHOW_WHEN_LOCKED;
 
 import static com.android.server.am.ActivityStack.REMOVE_TASK_MODE_DESTROYING;
-import static com.android.server.am.ActivityStackSupervisor
-        .MATCH_TASK_IN_STACKS_OR_RECENT_TASKS_AND_RESTORE;
+import static com.android.server.am.ActivityStackSupervisor.MATCH_TASK_IN_STACKS_OR_RECENT_TASKS_AND_RESTORE;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
@@ -47,10 +46,11 @@
 import android.app.WaitResult;
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.SparseIntArray;
 
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityStackTests.java b/services/tests/servicestests/src/com/android/server/am/ActivityStackTests.java
index 5669819..59b0890 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityStackTests.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityStackTests.java
@@ -34,23 +34,20 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.anyInt;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
 
 import android.content.pm.ActivityInfo;
 import android.os.UserHandle;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 
-import org.junit.runner.RunWith;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
+import org.junit.runner.RunWith;
 
 /**
  * Tests for the {@link ActivityStack} class.
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityStartControllerTests.java b/services/tests/servicestests/src/com/android/server/am/ActivityStartControllerTests.java
index f5ae46cd..e1ebbcf 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityStartControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityStartControllerTests.java
@@ -19,25 +19,26 @@
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 
-import android.app.IApplicationThread;
-import android.content.Intent;
-import android.os.UserHandle;
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
-import com.android.server.am.ActivityStackSupervisor.PendingActivityLaunch;
-import com.android.server.am.ActivityStarter.Factory;
-
-import org.junit.runner.RunWith;
-import org.junit.Test;
-
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+
+import android.app.IApplicationThread;
+import android.content.Intent;
+import android.os.UserHandle;
+import android.platform.test.annotations.Presubmit;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.server.am.ActivityStackSupervisor.PendingActivityLaunch;
+import com.android.server.am.ActivityStarter.Factory;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
 
 import java.util.Random;
 
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityStartInterceptorTest.java b/services/tests/servicestests/src/com/android/server/am/ActivityStartInterceptorTest.java
index 41c7f1d..86541b9 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityStartInterceptorTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityStartInterceptorTest.java
@@ -39,12 +39,13 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
 import android.testing.DexmakerShareClassLoaderRule;
 
+import androidx.test.filters.SmallTest;
+
+import com.android.internal.app.HarmfulAppWarningActivity;
 import com.android.internal.app.SuspendedAppActivity;
 import com.android.internal.app.UnlaunchableAppActivity;
-import com.android.internal.app.HarmfulAppWarningActivity;
 import com.android.server.LocalServices;
 import com.android.server.pm.PackageManagerService;
 
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityStarterTests.java b/services/tests/servicestests/src/com/android/server/am/ActivityStarterTests.java
index 90607ad..d032eb5 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityStarterTests.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityStarterTests.java
@@ -32,10 +32,26 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
 import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY;
 import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_SECONDARY;
+import static android.content.Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED;
+
+import static com.android.server.am.ActivityManagerService.ANIMATE;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.any;
+import static org.mockito.Mockito.anyBoolean;
+import static org.mockito.Mockito.anyInt;
+import static org.mockito.Mockito.anyObject;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
 
 import android.app.ActivityOptions;
 import android.app.IApplicationThread;
-import android.content.ComponentName;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
 import android.content.pm.ActivityInfo.WindowLayout;
@@ -47,13 +63,8 @@
 import android.os.RemoteException;
 import android.platform.test.annotations.Presubmit;
 import android.service.voice.IVoiceInteractionSession;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.Gravity;
 
-import org.junit.runner.RunWith;
-import org.junit.Test;
-
 import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
 import static android.content.Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED;
 import static com.android.server.am.ActivityManagerService.ANIMATE;
@@ -76,11 +87,14 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.times;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.am.LaunchParamsController.LaunchParamsModifier;
 import com.android.server.am.TaskRecord.TaskRecordFactory;
 
-import java.util.ArrayList;
-import java.util.List;
+import org.junit.Test;
+import org.junit.runner.RunWith;
 
 /**
  * Tests for the {@link ActivityStarter} class.
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityTestsBase.java b/services/tests/servicestests/src/com/android/server/am/ActivityTestsBase.java
index a9e0aa8..9c0b525 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityTestsBase.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityTestsBase.java
@@ -26,14 +26,14 @@
 import static com.android.server.am.ActivityStack.REMOVE_TASK_MODE_DESTROYING;
 import static com.android.server.am.ActivityStackSupervisor.ON_TOP;
 
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.doNothing;
-import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.any;
 import static org.mockito.Mockito.anyBoolean;
 import static org.mockito.Mockito.anyInt;
 import static org.mockito.Mockito.anyString;
 import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.when;
 
@@ -62,27 +62,30 @@
 import android.os.Looper;
 import android.os.UserHandle;
 import android.service.voice.IVoiceInteractionSession;
-import android.support.test.InstrumentationRegistry;
 import android.testing.DexmakerShareClassLoaderRule;
 import android.util.SparseIntArray;
 
+import androidx.test.InstrumentationRegistry;
 
 import com.android.internal.app.IVoiceInteractor;
-
 import com.android.server.AttributeCache;
 import com.android.server.wm.AppWindowContainerController;
+import com.android.server.wm.DisplayWindowController;
 import com.android.server.wm.PinnedStackWindowController;
 import com.android.server.wm.StackWindowController;
 import com.android.server.wm.TaskWindowContainerController;
 import com.android.server.wm.WindowManagerService;
 import com.android.server.wm.WindowTestUtils;
+import com.android.server.uri.UriGrantsManagerInternal;
+
 import org.junit.After;
 import org.junit.Before;
+import org.junit.Rule;
 import org.mockito.MockitoAnnotations;
+import org.mockito.invocation.InvocationOnMock;
 
 import java.util.List;
 
-
 /**
  * A base class to handle common operations in activity related unit tests.
  */
diff --git a/services/tests/servicestests/src/com/android/server/am/AppErrorDialogTest.java b/services/tests/servicestests/src/com/android/server/am/AppErrorDialogTest.java
index 243c1b3..87d367f 100644
--- a/services/tests/servicestests/src/com/android/server/am/AppErrorDialogTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/AppErrorDialogTest.java
@@ -18,10 +18,11 @@
 
 import android.content.Context;
 import android.os.Handler;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.annotation.UiThreadTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.annotation.UiThreadTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.AppOpsService;
 
diff --git a/services/tests/servicestests/src/com/android/server/am/AssistDataRequesterTest.java b/services/tests/servicestests/src/com/android/server/am/AssistDataRequesterTest.java
index f74d116..a030210 100644
--- a/services/tests/servicestests/src/com/android/server/am/AssistDataRequesterTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/AssistDataRequesterTest.java
@@ -42,12 +42,13 @@
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.Looper;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Log;
 import android.view.IWindowManager;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.am.AssistDataRequester.AssistDataRequesterCallbacks;
 
 import org.junit.Before;
diff --git a/services/tests/servicestests/src/com/android/server/am/BroadcastRecordTest.java b/services/tests/servicestests/src/com/android/server/am/BroadcastRecordTest.java
index 3257389..62c5734 100644
--- a/services/tests/servicestests/src/com/android/server/am/BroadcastRecordTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/BroadcastRecordTest.java
@@ -25,8 +25,9 @@
 import android.os.Process;
 import android.os.UserHandle;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/am/ClientLifecycleManagerTests.java b/services/tests/servicestests/src/com/android/server/am/ClientLifecycleManagerTests.java
index ef6d5e8..b4ad183 100644
--- a/services/tests/servicestests/src/com/android/server/am/ClientLifecycleManagerTests.java
+++ b/services/tests/servicestests/src/com/android/server/am/ClientLifecycleManagerTests.java
@@ -9,8 +9,9 @@
 import android.app.servertransaction.ClientTransaction;
 import android.os.Binder;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/am/CoreSettingsObserverTest.java b/services/tests/servicestests/src/com/android/server/am/CoreSettingsObserverTest.java
index da30c11..fe8256e 100644
--- a/services/tests/servicestests/src/com/android/server/am/CoreSettingsObserverTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/CoreSettingsObserverTest.java
@@ -26,18 +26,18 @@
 import android.os.Bundle;
 import android.os.Handler;
 import android.provider.Settings;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.mock.MockContentResolver;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.util.test.FakeSettingsProvider;
 import com.android.server.AppOpsService;
 
 import org.junit.AfterClass;
 import org.junit.Before;
 import org.junit.BeforeClass;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
@@ -58,7 +58,7 @@
  * Install: adb install -r \
  *     ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk
  * Run: adb shell am instrument -e class com.android.server.am.CoreSettingsObserverTest -w \
- *     com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ *     com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  */
 @SmallTest
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/am/GlobalSettingsToPropertiesMapperTest.java b/services/tests/servicestests/src/com/android/server/am/GlobalSettingsToPropertiesMapperTest.java
index d9b3e1c..765aaad 100644
--- a/services/tests/servicestests/src/com/android/server/am/GlobalSettingsToPropertiesMapperTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/GlobalSettingsToPropertiesMapperTest.java
@@ -18,11 +18,12 @@
 
 import android.content.ContentResolver;
 import android.provider.Settings;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.mock.MockContentResolver;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.util.Preconditions;
 import com.android.internal.util.test.FakeSettingsProvider;
 
diff --git a/services/tests/servicestests/src/com/android/server/am/LaunchParamsControllerTests.java b/services/tests/servicestests/src/com/android/server/am/LaunchParamsControllerTests.java
index fbe552d..d4bab2e 100644
--- a/services/tests/servicestests/src/com/android/server/am/LaunchParamsControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/am/LaunchParamsControllerTests.java
@@ -16,20 +16,14 @@
 
 package com.android.server.am;
 
-import android.app.ActivityOptions;
-import android.content.pm.ActivityInfo.WindowLayout;
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
-
-import com.android.server.am.LaunchParamsController.LaunchParams;
-import org.junit.runner.RunWith;
-import org.junit.Before;
-import org.junit.Test;
-
-import com.android.server.am.LaunchParamsController.LaunchParamsModifier;
-
 import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
+
+import static com.android.server.am.LaunchParamsController.LaunchParamsModifier.RESULT_CONTINUE;
+import static com.android.server.am.LaunchParamsController.LaunchParamsModifier.RESULT_DONE;
+import static com.android.server.am.LaunchParamsController.LaunchParamsModifier.RESULT_SKIP;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
 import static org.mockito.Mockito.any;
 import static org.mockito.Mockito.anyInt;
 import static org.mockito.Mockito.doNothing;
@@ -40,12 +34,19 @@
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 
-import static com.android.server.am.LaunchParamsController.LaunchParamsModifier.RESULT_DONE;
-import static com.android.server.am.LaunchParamsController.LaunchParamsModifier.RESULT_CONTINUE;
-import static com.android.server.am.LaunchParamsController.LaunchParamsModifier.RESULT_SKIP;
+import android.app.ActivityOptions;
+import android.content.pm.ActivityInfo.WindowLayout;
+import android.platform.test.annotations.Presubmit;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotEquals;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.server.am.LaunchParamsController.LaunchParams;
+import com.android.server.am.LaunchParamsController.LaunchParamsModifier;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
 
 /**
  * Tests for exercising {@link LaunchParamsController}.
diff --git a/services/tests/servicestests/src/com/android/server/am/LockTaskControllerTest.java b/services/tests/servicestests/src/com/android/server/am/LockTaskControllerTest.java
index f46d712..863a0d8 100644
--- a/services/tests/servicestests/src/com/android/server/am/LockTaskControllerTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/LockTaskControllerTest.java
@@ -52,12 +52,13 @@
 import android.os.UserHandle;
 import android.platform.test.annotations.Presubmit;
 import android.provider.Settings;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
 import android.telecom.TelecomManager;
 import android.testing.DexmakerShareClassLoaderRule;
 import android.util.Pair;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+
 import com.android.internal.statusbar.IStatusBarService;
 import com.android.internal.widget.LockPatternUtils;
 import com.android.server.LocalServices;
diff --git a/services/tests/servicestests/src/com/android/server/am/MemoryStatUtilTest.java b/services/tests/servicestests/src/com/android/server/am/MemoryStatUtilTest.java
index 5518ca5..06c7437 100644
--- a/services/tests/servicestests/src/com/android/server/am/MemoryStatUtilTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/MemoryStatUtilTest.java
@@ -16,15 +16,15 @@
 
 package com.android.server.am;
 
+import static com.android.server.am.MemoryStatUtil.MemoryStat;
 import static com.android.server.am.MemoryStatUtil.parseMemoryStatFromMemcg;
 import static com.android.server.am.MemoryStatUtil.parseMemoryStatFromProcfs;
-import static com.android.server.am.MemoryStatUtil.MemoryStat;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/am/PendingRemoteAnimationRegistryTest.java b/services/tests/servicestests/src/com/android/server/am/PendingRemoteAnimationRegistryTest.java
index e73661b..1c4e0f6 100644
--- a/services/tests/servicestests/src/com/android/server/am/PendingRemoteAnimationRegistryTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/PendingRemoteAnimationRegistryTest.java
@@ -20,16 +20,14 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 
-import android.annotation.Nullable;
 import android.app.ActivityOptions;
-import android.os.Handler;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-import android.util.ArrayMap;
 import android.view.RemoteAnimationAdapter;
 
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.testutils.OffsettableClock;
 import com.android.server.testutils.TestHandler;
 
diff --git a/services/tests/servicestests/src/com/android/server/am/RecentTasksTest.java b/services/tests/servicestests/src/com/android/server/am/RecentTasksTest.java
index ee484d6..ba82487 100644
--- a/services/tests/servicestests/src/com/android/server/am/RecentTasksTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/RecentTasksTest.java
@@ -36,11 +36,8 @@
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.spy;
 
-import static java.lang.Integer.MAX_VALUE;
-
 import android.app.ActivityManager.RecentTaskInfo;
 import android.app.ActivityManager.RunningTaskInfo;
 import android.app.ActivityTaskManager;
@@ -57,19 +54,22 @@
 import android.os.RemoteException;
 import android.os.SystemClock;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.MutableLong;
 import android.util.SparseArray;
 import android.util.SparseBooleanArray;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.am.RecentTasks.Callbacks;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import static java.lang.Integer.MAX_VALUE;
+
 import java.io.File;
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/services/tests/servicestests/src/com/android/server/am/RecentsAnimationTest.java b/services/tests/servicestests/src/com/android/server/am/RecentsAnimationTest.java
index b642d26..f15b5f7 100644
--- a/services/tests/servicestests/src/com/android/server/am/RecentsAnimationTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/RecentsAnimationTest.java
@@ -19,9 +19,10 @@
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_RECENTS;
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
+
 import static com.android.server.wm.RecentsAnimationController.REORDER_KEEP_IN_PLACE;
+
 import static org.mockito.Mockito.any;
-import static org.mockito.Mockito.anyInt;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.eq;
 import static org.mockito.Mockito.mock;
@@ -33,11 +34,12 @@
 import android.content.Context;
 import android.content.Intent;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.IRecentsAnimationRunner;
-import com.android.server.AttributeCache;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/am/RunningTasksTest.java b/services/tests/servicestests/src/com/android/server/am/RunningTasksTest.java
index 944f20f..32d6d2e 100644
--- a/services/tests/servicestests/src/com/android/server/am/RunningTasksTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/RunningTasksTest.java
@@ -30,11 +30,12 @@
 import android.content.ComponentName;
 import android.content.Context;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.SparseArray;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/am/SafeActivityOptionsTest.java b/services/tests/servicestests/src/com/android/server/am/SafeActivityOptionsTest.java
index 168bc17..8e4e7e6 100644
--- a/services/tests/servicestests/src/com/android/server/am/SafeActivityOptionsTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/SafeActivityOptionsTest.java
@@ -20,9 +20,10 @@
 
 import android.app.ActivityOptions;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/am/TaskLaunchParamsModifierTests.java b/services/tests/servicestests/src/com/android/server/am/TaskLaunchParamsModifierTests.java
index f71a6e7..f5b8f78 100644
--- a/services/tests/servicestests/src/com/android/server/am/TaskLaunchParamsModifierTests.java
+++ b/services/tests/servicestests/src/com/android/server/am/TaskLaunchParamsModifierTests.java
@@ -16,31 +16,25 @@
 
 package com.android.server.am;
 
-import android.content.pm.ActivityInfo.WindowLayout;
-import android.graphics.Rect;
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
-
-import android.view.Gravity;
-
-import org.junit.runner.RunWith;
-import org.junit.Before;
-import org.junit.Test;
-
-import org.mockito.invocation.InvocationOnMock;
-
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
 
 import static com.android.server.am.LaunchParamsController.LaunchParamsModifier.RESULT_CONTINUE;
 
-import static org.mockito.Mockito.any;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
-import static org.mockito.Mockito.doAnswer;
 import static org.junit.Assert.assertEquals;
+import static org.mockito.Mockito.when;
 
+import android.content.pm.ActivityInfo.WindowLayout;
+import android.graphics.Rect;
+import android.platform.test.annotations.Presubmit;
+import android.view.Gravity;
+
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
 
 /**
  * Tests for exercising resizing task bounds.
diff --git a/services/tests/servicestests/src/com/android/server/am/TaskRecordTests.java b/services/tests/servicestests/src/com/android/server/am/TaskRecordTests.java
index b8680bf..fa8a09c 100644
--- a/services/tests/servicestests/src/com/android/server/am/TaskRecordTests.java
+++ b/services/tests/servicestests/src/com/android/server/am/TaskRecordTests.java
@@ -29,20 +29,17 @@
 import android.content.ComponentName;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
-import android.content.res.XmlResourceParser;
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
 import android.service.voice.IVoiceInteractionSession;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Xml;
 
-import com.android.frameworks.servicestests.R;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.app.IVoiceInteractor;
 import com.android.server.am.TaskRecord.TaskRecordFactory;
 
-import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -57,9 +54,7 @@
 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.Reader;
-import java.nio.file.Files;
 import java.util.ArrayList;
-import java.util.Comparator;
 
 /**
  * Tests for exercising {@link TaskRecord}.
diff --git a/services/tests/servicestests/src/com/android/server/am/TaskStackChangedListenerTest.java b/services/tests/servicestests/src/com/android/server/am/TaskStackChangedListenerTest.java
index 5cd410e..b431af1 100644
--- a/services/tests/servicestests/src/com/android/server/am/TaskStackChangedListenerTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/TaskStackChangedListenerTest.java
@@ -16,7 +16,8 @@
 
 package com.android.server.am;
 
-import static android.support.test.InstrumentationRegistry.getInstrumentation;
+import static androidx.test.InstrumentationRegistry.getInstrumentation;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
@@ -33,23 +34,25 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
-import android.content.res.Resources.Theme;
 import android.os.RemoteException;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.support.test.uiautomator.UiDevice;
 import android.text.TextUtils;
-import android.util.Pair;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.annotations.GuardedBy;
-import java.util.concurrent.CountDownLatch;
-import java.util.concurrent.TimeUnit;
+
 import org.junit.After;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
 @MediumTest
 @RunWith(AndroidJUnit4.class)
 public class TaskStackChangedListenerTest {
diff --git a/services/tests/servicestests/src/com/android/server/appops/AppOpsActiveWatcherTest.java b/services/tests/servicestests/src/com/android/server/appops/AppOpsActiveWatcherTest.java
index 7f397d6..7e0dfcf 100644
--- a/services/tests/servicestests/src/com/android/server/appops/AppOpsActiveWatcherTest.java
+++ b/services/tests/servicestests/src/com/android/server/appops/AppOpsActiveWatcherTest.java
@@ -31,9 +31,10 @@
 import android.app.AppOpsManager.OnOpActiveChangedListener;
 import android.content.Context;
 import android.os.Process;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/appops/AppOpsServiceTest.java b/services/tests/servicestests/src/com/android/server/appops/AppOpsServiceTest.java
index 45e2865..4ae9bea 100644
--- a/services/tests/servicestests/src/com/android/server/appops/AppOpsServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/appops/AppOpsServiceTest.java
@@ -31,9 +31,10 @@
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.Process;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/appwidget/AppWidgetServiceImplTest.java b/services/tests/servicestests/src/com/android/server/appwidget/AppWidgetServiceImplTest.java
index 1bb93cc..f3c76b6 100644
--- a/services/tests/servicestests/src/com/android/server/appwidget/AppWidgetServiceImplTest.java
+++ b/services/tests/servicestests/src/com/android/server/appwidget/AppWidgetServiceImplTest.java
@@ -53,7 +53,6 @@
 import java.util.Random;
 import java.util.concurrent.CountDownLatch;
 
-
 /**
  * Tests for {@link AppWidgetManager} and {@link AppWidgetServiceImpl}.
  *
@@ -61,7 +60,7 @@
  adb install \
  -r -g ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
  adb shell am instrument -e class com.android.server.appwidget.AppWidgetServiceImplTest \
- -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  */
 @SmallTest
 public class AppWidgetServiceImplTest extends InstrumentationTestCase {
diff --git a/services/tests/servicestests/src/com/android/server/backup/BackupPasswordManagerTest.java b/services/tests/servicestests/src/com/android/server/backup/BackupPasswordManagerTest.java
index bc16297..2dc0ee1 100644
--- a/services/tests/servicestests/src/com/android/server/backup/BackupPasswordManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/BackupPasswordManagerTest.java
@@ -17,7 +17,6 @@
 package com.android.server.backup;
 
 import static com.android.server.testutils.TestUtils.assertExpectException;
-
 import static com.google.common.truth.Truth.assertThat;
 
 import static org.mockito.ArgumentMatchers.anyString;
@@ -25,8 +24,9 @@
 
 import android.content.Context;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.backup.utils.PasswordUtils;
 
diff --git a/services/tests/servicestests/src/com/android/server/backup/DataChangedJournalTest.java b/services/tests/servicestests/src/com/android/server/backup/DataChangedJournalTest.java
index 3cdeba6..f588c4f 100644
--- a/services/tests/servicestests/src/com/android/server/backup/DataChangedJournalTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/DataChangedJournalTest.java
@@ -19,8 +19,9 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Rule;
diff --git a/services/tests/servicestests/src/com/android/server/backup/ProcessedPackagesJournalTest.java b/services/tests/servicestests/src/com/android/server/backup/ProcessedPackagesJournalTest.java
index b4a1f18..cf4f975 100644
--- a/services/tests/servicestests/src/com/android/server/backup/ProcessedPackagesJournalTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/ProcessedPackagesJournalTest.java
@@ -19,8 +19,9 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.google.android.collect.Sets;
 
diff --git a/services/tests/servicestests/src/com/android/server/backup/TrampolineTest.java b/services/tests/servicestests/src/com/android/server/backup/TrampolineTest.java
index bbd999b..79eba68 100644
--- a/services/tests/servicestests/src/com/android/server/backup/TrampolineTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/TrampolineTest.java
@@ -43,8 +43,9 @@
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/backup/restore/PerformAdbRestoreTaskTest.java b/services/tests/servicestests/src/com/android/server/backup/restore/PerformAdbRestoreTaskTest.java
index 05f4c13..00c6391 100644
--- a/services/tests/servicestests/src/com/android/server/backup/restore/PerformAdbRestoreTaskTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/restore/PerformAdbRestoreTaskTest.java
@@ -20,9 +20,10 @@
 
 import android.content.Context;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.frameworks.servicestests.R;
 
diff --git a/services/tests/servicestests/src/com/android/server/backup/utils/AppBackupUtilsTest.java b/services/tests/servicestests/src/com/android/server/backup/utils/AppBackupUtilsTest.java
index 6801bd2..9fcdf2d 100644
--- a/services/tests/servicestests/src/com/android/server/backup/utils/AppBackupUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/utils/AppBackupUtilsTest.java
@@ -20,7 +20,6 @@
 
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
 
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageInfo;
@@ -31,8 +30,9 @@
 import android.content.pm.SigningInfo;
 import android.os.Process;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.backup.BackupManagerService;
 import com.android.server.backup.testutils.PackageManagerStub;
diff --git a/services/tests/servicestests/src/com/android/server/backup/utils/BackupManagerMonitorUtilsTest.java b/services/tests/servicestests/src/com/android/server/backup/utils/BackupManagerMonitorUtilsTest.java
index c40b411..d3fd89c 100644
--- a/services/tests/servicestests/src/com/android/server/backup/utils/BackupManagerMonitorUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/utils/BackupManagerMonitorUtilsTest.java
@@ -18,9 +18,9 @@
 
 import static android.app.backup.BackupManagerMonitor.EXTRA_LOG_EVENT_CATEGORY;
 import static android.app.backup.BackupManagerMonitor.EXTRA_LOG_EVENT_ID;
+import static android.app.backup.BackupManagerMonitor.EXTRA_LOG_EVENT_PACKAGE_LONG_VERSION;
 import static android.app.backup.BackupManagerMonitor.EXTRA_LOG_EVENT_PACKAGE_NAME;
 import static android.app.backup.BackupManagerMonitor.EXTRA_LOG_EVENT_PACKAGE_VERSION;
-import static android.app.backup.BackupManagerMonitor.EXTRA_LOG_EVENT_PACKAGE_LONG_VERSION;
 
 import static com.google.common.truth.Truth.assertThat;
 
@@ -33,8 +33,9 @@
 import android.os.Bundle;
 import android.os.RemoteException;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/backup/utils/BackupObserverUtilsTest.java b/services/tests/servicestests/src/com/android/server/backup/utils/BackupObserverUtilsTest.java
index ebe6133..cdffd35 100644
--- a/services/tests/servicestests/src/com/android/server/backup/utils/BackupObserverUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/utils/BackupObserverUtilsTest.java
@@ -23,8 +23,9 @@
 import android.app.backup.IBackupObserver;
 import android.os.RemoteException;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/backup/utils/DataStreamFileCodecTest.java b/services/tests/servicestests/src/com/android/server/backup/utils/DataStreamFileCodecTest.java
index bfb95c1..efd4603 100644
--- a/services/tests/servicestests/src/com/android/server/backup/utils/DataStreamFileCodecTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/utils/DataStreamFileCodecTest.java
@@ -19,8 +19,10 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
diff --git a/services/tests/servicestests/src/com/android/server/backup/utils/FullBackupRestoreObserverUtilsTest.java b/services/tests/servicestests/src/com/android/server/backup/utils/FullBackupRestoreObserverUtilsTest.java
index 2f56598..9b861a4 100644
--- a/services/tests/servicestests/src/com/android/server/backup/utils/FullBackupRestoreObserverUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/utils/FullBackupRestoreObserverUtilsTest.java
@@ -24,8 +24,9 @@
 import android.app.backup.IFullBackupRestoreObserver;
 import android.os.RemoteException;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/backup/utils/FullBackupUtilsTest.java b/services/tests/servicestests/src/com/android/server/backup/utils/FullBackupUtilsTest.java
index 4e3de64..ae0452a 100644
--- a/services/tests/servicestests/src/com/android/server/backup/utils/FullBackupUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/utils/FullBackupUtilsTest.java
@@ -25,8 +25,9 @@
 
 import android.os.ParcelFileDescriptor;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.After;
 import org.junit.Before;
@@ -40,7 +41,6 @@
 import java.io.EOFException;
 import java.io.File;
 import java.io.FileOutputStream;
-import java.io.IOException;
 import java.io.OutputStream;
 import java.util.Random;
 
diff --git a/services/tests/servicestests/src/com/android/server/backup/utils/SparseArrayUtilsTest.java b/services/tests/servicestests/src/com/android/server/backup/utils/SparseArrayUtilsTest.java
index db55120..679e098 100644
--- a/services/tests/servicestests/src/com/android/server/backup/utils/SparseArrayUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/utils/SparseArrayUtilsTest.java
@@ -19,10 +19,11 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.SparseArray;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.google.android.collect.Sets;
 
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/backup/utils/TarBackupReaderTest.java b/services/tests/servicestests/src/com/android/server/backup/utils/TarBackupReaderTest.java
index 2830a74..12f2991 100644
--- a/services/tests/servicestests/src/com/android/server/backup/utils/TarBackupReaderTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/utils/TarBackupReaderTest.java
@@ -29,8 +29,6 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.verifyNoMoreInteractions;
 import static org.mockito.Mockito.verifyZeroInteractions;
@@ -47,13 +45,14 @@
 import android.os.Bundle;
 import android.os.Process;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.frameworks.servicestests.R;
-import com.android.server.backup.FileMetadata;
 import com.android.server.backup.BackupManagerService;
+import com.android.server.backup.FileMetadata;
 import com.android.server.backup.restore.PerformAdbRestoreTask;
 import com.android.server.backup.restore.RestorePolicy;
 import com.android.server.backup.testutils.PackageManagerStub;
diff --git a/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyConstantsTest.java b/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyConstantsTest.java
index 175fdd8..be05245 100644
--- a/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyConstantsTest.java
+++ b/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyConstantsTest.java
@@ -28,7 +28,7 @@
  -w com.android.frameworks.servicestests
 
 
- -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  */
 @SmallTest
 public class DevicePolicyConstantsTest extends AndroidTestCase {
diff --git a/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java b/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java
index a23636c..e37a6c1 100644
--- a/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java
@@ -117,7 +117,7 @@
  adb install \
    -r ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
  adb shell am instrument -e class com.android.server.devicepolicy.DevicePolicyManagerTest \
-   -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+   -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
 
  (mmma frameworks/base/services/tests/servicestests/ for non-ninja build)
  *
diff --git a/services/tests/servicestests/src/com/android/server/devicepolicy/OverlayPackagesProviderTest.java b/services/tests/servicestests/src/com/android/server/devicepolicy/OverlayPackagesProviderTest.java
index 939a272..34edd9f 100644
--- a/services/tests/servicestests/src/com/android/server/devicepolicy/OverlayPackagesProviderTest.java
+++ b/services/tests/servicestests/src/com/android/server/devicepolicy/OverlayPackagesProviderTest.java
@@ -33,11 +33,12 @@
 import android.content.pm.ServiceInfo;
 import android.content.res.Resources;
 import android.os.RemoteException;
-import android.support.test.InstrumentationRegistry;
 import android.test.AndroidTestCase;
 import android.test.mock.MockPackageManager;
 import android.view.inputmethod.InputMethodInfo;
 
+import androidx.test.InstrumentationRegistry;
+
 import com.android.internal.R;
 import com.android.internal.view.IInputMethodManager;
 
diff --git a/services/tests/servicestests/src/com/android/server/devicepolicy/OwnersTest.java b/services/tests/servicestests/src/com/android/server/devicepolicy/OwnersTest.java
index cb6a747..5899bb0 100644
--- a/services/tests/servicestests/src/com/android/server/devicepolicy/OwnersTest.java
+++ b/services/tests/servicestests/src/com/android/server/devicepolicy/OwnersTest.java
@@ -16,12 +16,12 @@
 
 package com.android.server.devicepolicy;
 
-import com.android.server.devicepolicy.DevicePolicyManagerServiceTestable.OwnersTestable;
-
 import android.content.ComponentName;
 import android.os.UserHandle;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import com.android.server.devicepolicy.DevicePolicyManagerServiceTestable.OwnersTestable;
+
 /**
  * Tests for the DeviceOwner object that saves & loads device and policy owner information.
  * run this test with:
@@ -29,7 +29,7 @@
  adb install \
    -r out/target/product/hammerhead/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
  adb shell am instrument -e class com.android.server.devicepolicy.OwnersTest \
-   -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+   -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
 
  (mmma frameworks/base/services/tests/servicestests/ for non-ninja build)
  */
diff --git a/services/tests/servicestests/src/com/android/server/devicepolicy/SystemUpdatePolicyTest.java b/services/tests/servicestests/src/com/android/server/devicepolicy/SystemUpdatePolicyTest.java
index e4e9701..e51859b 100644
--- a/services/tests/servicestests/src/com/android/server/devicepolicy/SystemUpdatePolicyTest.java
+++ b/services/tests/servicestests/src/com/android/server/devicepolicy/SystemUpdatePolicyTest.java
@@ -20,6 +20,7 @@
 import static android.app.admin.SystemUpdatePolicy.ValidationFailedException.ERROR_DUPLICATE_OR_OVERLAP;
 import static android.app.admin.SystemUpdatePolicy.ValidationFailedException.ERROR_NEW_FREEZE_PERIOD_TOO_CLOSE;
 import static android.app.admin.SystemUpdatePolicy.ValidationFailedException.ERROR_NEW_FREEZE_PERIOD_TOO_LONG;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
@@ -27,10 +28,10 @@
 import android.app.admin.FreezePeriod;
 import android.app.admin.SystemUpdatePolicy;
 import android.os.Parcel;
-import android.support.test.runner.AndroidJUnit4;
-import android.util.Pair;
 import android.util.Xml;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.util.FastXmlSerializer;
 
 import org.junit.Test;
@@ -50,7 +51,6 @@
 import java.util.List;
 import java.util.concurrent.TimeUnit;
 
-
 /**
  * Unit tests for {@link android.app.admin.SystemUpdatePolicy}.
  * Throughout this test, we use "MM-DD" format to denote dates without year.
diff --git a/services/tests/servicestests/src/com/android/server/devicepolicy/TransferOwnershipMetadataManagerTest.java b/services/tests/servicestests/src/com/android/server/devicepolicy/TransferOwnershipMetadataManagerTest.java
index e3e61ac..2005dd9 100644
--- a/services/tests/servicestests/src/com/android/server/devicepolicy/TransferOwnershipMetadataManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/devicepolicy/TransferOwnershipMetadataManagerTest.java
@@ -30,7 +30,7 @@
 import static org.junit.Assert.assertTrue;
 
 import android.os.Environment;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.runner.AndroidJUnit4;
 import android.util.Log;
 
 import com.android.server.devicepolicy.TransferOwnershipMetadataManager.Injector;
diff --git a/services/tests/servicestests/src/com/android/server/display/AmbientBrightnessStatsTrackerTest.java b/services/tests/servicestests/src/com/android/server/display/AmbientBrightnessStatsTrackerTest.java
index 8502e69..e8e6ded 100644
--- a/services/tests/servicestests/src/com/android/server/display/AmbientBrightnessStatsTrackerTest.java
+++ b/services/tests/servicestests/src/com/android/server/display/AmbientBrightnessStatsTrackerTest.java
@@ -25,9 +25,10 @@
 import android.hardware.display.AmbientBrightnessDayStats;
 import android.os.SystemClock;
 import android.os.UserManager;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/display/BrightnessMappingStrategyTest.java b/services/tests/servicestests/src/com/android/server/display/BrightnessMappingStrategyTest.java
index 284d443..ccdb76d 100644
--- a/services/tests/servicestests/src/com/android/server/display/BrightnessMappingStrategyTest.java
+++ b/services/tests/servicestests/src/com/android/server/display/BrightnessMappingStrategyTest.java
@@ -30,11 +30,11 @@
 import android.content.res.TypedArray;
 import android.hardware.display.BrightnessConfiguration;
 import android.os.PowerManager;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.MathUtils;
 import android.util.Spline;
-import android.util.Slog;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/display/BrightnessTrackerTest.java b/services/tests/servicestests/src/com/android/server/display/BrightnessTrackerTest.java
index 75dc96f..ece9f42 100644
--- a/services/tests/servicestests/src/com/android/server/display/BrightnessTrackerTest.java
+++ b/services/tests/servicestests/src/com/android/server/display/BrightnessTrackerTest.java
@@ -46,11 +46,12 @@
 import android.os.SystemClock;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.AtomicFile;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/display/ColorDisplayServiceTest.java b/services/tests/servicestests/src/com/android/server/display/ColorDisplayServiceTest.java
index 6bd8011..53711a6 100644
--- a/services/tests/servicestests/src/com/android/server/display/ColorDisplayServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/display/ColorDisplayServiceTest.java
@@ -16,6 +16,10 @@
 
 package com.android.server.display;
 
+import static com.google.common.truth.Truth.assertWithMessage;
+
+import static org.mockito.Mockito.doReturn;
+
 import android.annotation.NonNull;
 import android.app.ActivityManager;
 import android.app.AlarmManager;
@@ -26,10 +30,11 @@
 import android.provider.Settings;
 import android.provider.Settings.Secure;
 import android.provider.Settings.System;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.mock.MockContentResolver;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.app.ColorDisplayController;
 import com.android.internal.util.test.FakeSettingsProvider;
 import com.android.server.LocalServices;
@@ -37,24 +42,22 @@
 import com.android.server.twilight.TwilightListener;
 import com.android.server.twilight.TwilightManager;
 import com.android.server.twilight.TwilightState;
-import java.time.LocalDateTime;
-import java.time.ZoneId;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mockito;
 
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.ZoneId;
 import java.util.Calendar;
 import java.util.HashMap;
-import java.time.LocalTime;
 import java.util.Map;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 
-import static com.google.common.truth.Truth.assertWithMessage;
-import static org.mockito.Mockito.doReturn;
-
 @RunWith(AndroidJUnit4.class)
 public class ColorDisplayServiceTest {
 
diff --git a/services/tests/servicestests/src/com/android/server/display/PersistentDataStoreTest.java b/services/tests/servicestests/src/com/android/server/display/PersistentDataStoreTest.java
index 675000e..196454b 100644
--- a/services/tests/servicestests/src/com/android/server/display/PersistentDataStoreTest.java
+++ b/services/tests/servicestests/src/com/android/server/display/PersistentDataStoreTest.java
@@ -22,23 +22,21 @@
 import static org.junit.Assert.assertTrue;
 
 import android.hardware.display.BrightnessConfiguration;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-import android.util.AtomicFile;
 import android.util.Pair;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import java.io.FileInputStream;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.FileNotFoundException;
-import java.io.InputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.OutputStream;
-import java.io.PrintWriter;
 import java.nio.charset.StandardCharsets;
 
 @SmallTest
diff --git a/services/tests/servicestests/src/com/android/server/hdmi/DetectTvSystemAudioModeSupportActionTest.java b/services/tests/servicestests/src/com/android/server/hdmi/DetectTvSystemAudioModeSupportActionTest.java
index e114e03..8114510 100644
--- a/services/tests/servicestests/src/com/android/server/hdmi/DetectTvSystemAudioModeSupportActionTest.java
+++ b/services/tests/servicestests/src/com/android/server/hdmi/DetectTvSystemAudioModeSupportActionTest.java
@@ -22,8 +22,11 @@
 import android.hardware.tv.cec.V1_0.SendMessageResult;
 import android.os.Looper;
 import android.os.test.TestLooper;
-import android.support.test.filters.SmallTest;
+
+import androidx.test.filters.SmallTest;
+
 import com.android.server.hdmi.HdmiCecLocalDeviceAudioSystem.TvSystemAudioModeSupportedCallback;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecControllerTest.java b/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecControllerTest.java
index 6cf5f00..cc005ed 100644
--- a/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecControllerTest.java
+++ b/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecControllerTest.java
@@ -18,6 +18,7 @@
 import static android.hardware.hdmi.HdmiDeviceInfo.DEVICE_AUDIO_SYSTEM;
 import static android.hardware.hdmi.HdmiDeviceInfo.DEVICE_PLAYBACK;
 import static android.hardware.hdmi.HdmiDeviceInfo.DEVICE_TV;
+
 import static com.android.server.hdmi.Constants.ADDR_AUDIO_SYSTEM;
 import static com.android.server.hdmi.Constants.ADDR_PLAYBACK_1;
 import static com.android.server.hdmi.Constants.ADDR_PLAYBACK_2;
@@ -25,14 +26,18 @@
 import static com.android.server.hdmi.Constants.ADDR_SPECIFIC_USE;
 import static com.android.server.hdmi.Constants.ADDR_TV;
 import static com.android.server.hdmi.Constants.ADDR_UNREGISTERED;
+
 import static junit.framework.Assert.assertEquals;
 
 import android.content.Context;
 import android.hardware.tv.cec.V1_0.SendMessageResult;
 import android.os.Looper;
 import android.os.test.TestLooper;
-import android.support.test.filters.SmallTest;
+
+import androidx.test.filters.SmallTest;
+
 import com.android.server.hdmi.HdmiCecController.AllocateAddressCallback;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecLocalDeviceAudioSystemTest.java b/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecLocalDeviceAudioSystemTest.java
index 0dc5130..6dbbbfe 100644
--- a/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecLocalDeviceAudioSystemTest.java
+++ b/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecLocalDeviceAudioSystemTest.java
@@ -22,21 +22,27 @@
 import static com.android.server.hdmi.HdmiControlService.STANDBY_SCREEN_OFF;
 import static com.google.common.truth.Truth.assertThat;
 
+import static junit.framework.Assert.assertEquals;
+import static junit.framework.Assert.assertFalse;
+import static junit.framework.Assert.assertTrue;
+
 import android.media.AudioManager;
 import android.os.Looper;
 import android.os.SystemProperties;
 import android.os.test.TestLooper;
-import android.support.test.filters.SmallTest;
+
+import androidx.test.filters.SmallTest;
+
 import com.android.server.hdmi.HdmiCecLocalDevice.ActiveSource;
-import java.util.List;
-import java.util.ArrayList;
-import java.util.Collections;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.Ignore;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
+import java.util.ArrayList;
+
 @SmallTest
 @RunWith(JUnit4.class)
 /** Tests for {@link HdmiCecLocalDeviceAudioSystem} class. */
diff --git a/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecLocalDeviceTest.java b/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecLocalDeviceTest.java
index 3cd8481..daf35dd 100644
--- a/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecLocalDeviceTest.java
+++ b/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecLocalDeviceTest.java
@@ -16,25 +16,30 @@
 package com.android.server.hdmi;
 
 import static android.hardware.hdmi.HdmiDeviceInfo.DEVICE_TV;
+
 import static com.android.server.hdmi.Constants.ADDR_AUDIO_SYSTEM;
 import static com.android.server.hdmi.Constants.ADDR_BROADCAST;
 import static com.android.server.hdmi.Constants.ADDR_TV;
 import static com.android.server.hdmi.Constants.ADDR_UNREGISTERED;
 import static com.android.server.hdmi.Constants.MESSAGE_DEVICE_VENDOR_ID;
 import static com.android.server.hdmi.Constants.MESSAGE_REPORT_PHYSICAL_ADDRESS;
+
 import static junit.framework.Assert.assertEquals;
 import static junit.framework.Assert.assertFalse;
 import static junit.framework.Assert.assertTrue;
 
 import android.hardware.hdmi.HdmiControlManager;
 import android.os.test.TestLooper;
-import android.support.test.filters.SmallTest;
-import java.util.Arrays;
+
+import androidx.test.filters.SmallTest;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
+import java.util.Arrays;
+
 @SmallTest
 @RunWith(JUnit4.class)
 /** Tests for {@link HdmiCecLocalDevice} class. */
diff --git a/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecMessageBuilderTest.java b/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecMessageBuilderTest.java
index 1ca48d4..c7809d3 100644
--- a/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecMessageBuilderTest.java
+++ b/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecMessageBuilderTest.java
@@ -21,7 +21,9 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.hardware.hdmi.HdmiDeviceInfo;
-import android.support.test.filters.SmallTest;
+
+import androidx.test.filters.SmallTest;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
diff --git a/services/tests/servicestests/src/com/android/server/hdmi/HdmiControlServiceTest.java b/services/tests/servicestests/src/com/android/server/hdmi/HdmiControlServiceTest.java
index 7de637b..71af71e 100644
--- a/services/tests/servicestests/src/com/android/server/hdmi/HdmiControlServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/hdmi/HdmiControlServiceTest.java
@@ -17,20 +17,27 @@
 
 import static android.hardware.hdmi.HdmiDeviceInfo.DEVICE_AUDIO_SYSTEM;
 import static android.hardware.hdmi.HdmiDeviceInfo.DEVICE_PLAYBACK;
+
 import static com.android.server.hdmi.HdmiControlService.INITIATED_BY_ENABLE_CEC;
+
 import static junit.framework.Assert.assertFalse;
 import static junit.framework.Assert.assertTrue;
 
 import android.os.Looper;
 import android.os.test.TestLooper;
-import android.support.test.filters.SmallTest;
-import java.util.ArrayList;
+
+import androidx.test.filters.SmallTest;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-/** Tests for {@link HdmiControlService} class. */
+import java.util.ArrayList;
+
+/**
+ * Tests for {@link HdmiControlService} class.
+ */
 @SmallTest
 @RunWith(JUnit4.class)
 public class HdmiControlServiceTest {
diff --git a/services/tests/servicestests/src/com/android/server/hdmi/SystemAudioInitiationActionFromAvrTest.java b/services/tests/servicestests/src/com/android/server/hdmi/SystemAudioInitiationActionFromAvrTest.java
index e6ff143..6ff1c0f 100644
--- a/services/tests/servicestests/src/com/android/server/hdmi/SystemAudioInitiationActionFromAvrTest.java
+++ b/services/tests/servicestests/src/com/android/server/hdmi/SystemAudioInitiationActionFromAvrTest.java
@@ -16,6 +16,7 @@
 package com.android.server.hdmi;
 
 import static com.google.common.truth.Truth.assertThat;
+
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
@@ -25,7 +26,9 @@
 import android.media.AudioManager;
 import android.os.Looper;
 import android.os.test.TestLooper;
-import android.support.test.filters.SmallTest;
+
+import androidx.test.filters.SmallTest;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/job/BackgroundRestrictionsTest.java b/services/tests/servicestests/src/com/android/server/job/BackgroundRestrictionsTest.java
index 14b118e..be8e569 100644
--- a/services/tests/servicestests/src/com/android/server/job/BackgroundRestrictionsTest.java
+++ b/services/tests/servicestests/src/com/android/server/job/BackgroundRestrictionsTest.java
@@ -38,11 +38,12 @@
 import android.os.SystemClock;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.LargeTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Log;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.LargeTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.servicestests.apps.jobtestapp.TestJobActivity;
 
 import org.junit.After;
diff --git a/services/tests/servicestests/src/com/android/server/job/JobSetTest.java b/services/tests/servicestests/src/com/android/server/job/JobSetTest.java
index 83bd9fc..e62e07d 100644
--- a/services/tests/servicestests/src/com/android/server/job/JobSetTest.java
+++ b/services/tests/servicestests/src/com/android/server/job/JobSetTest.java
@@ -29,13 +29,14 @@
 import android.content.pm.PackageManagerInternal;
 import android.os.Build;
 import android.os.UserHandle;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.ArraySet;
 import android.util.Log;
 import android.util.SparseArray;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.LocalServices;
 import com.android.server.job.controllers.JobStatus;
 
diff --git a/services/tests/servicestests/src/com/android/server/job/JobStoreTest.java b/services/tests/servicestests/src/com/android/server/job/JobStoreTest.java
index 4ee2ff4..543f51cba 100644
--- a/services/tests/servicestests/src/com/android/server/job/JobStoreTest.java
+++ b/services/tests/servicestests/src/com/android/server/job/JobStoreTest.java
@@ -22,12 +22,13 @@
 import android.os.Parcelable;
 import android.os.PersistableBundle;
 import android.os.SystemClock;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.RenamingDelegatingContext;
 import android.util.Log;
 import android.util.Pair;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.util.HexDump;
 import com.android.server.IoThread;
 import com.android.server.LocalServices;
diff --git a/services/tests/servicestests/src/com/android/server/job/controllers/JobStatusTest.java b/services/tests/servicestests/src/com/android/server/job/controllers/JobStatusTest.java
index d78af22..1752479 100644
--- a/services/tests/servicestests/src/com/android/server/job/controllers/JobStatusTest.java
+++ b/services/tests/servicestests/src/com/android/server/job/controllers/JobStatusTest.java
@@ -21,7 +21,8 @@
 import android.app.job.JobInfo;
 import android.content.ComponentName;
 import android.os.SystemClock;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.job.JobSchedulerService;
 
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/LockSettingsShellCommandTest.java b/services/tests/servicestests/src/com/android/server/locksettings/LockSettingsShellCommandTest.java
index 2214d74..a28a5a1 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/LockSettingsShellCommandTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/LockSettingsShellCommandTest.java
@@ -29,32 +29,28 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import static java.io.FileDescriptor.*;
-
 import android.app.ActivityManager;
 import android.content.Context;
 import android.os.Binder;
-import android.os.Debug;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.ResultReceiver;
 import android.os.ShellCallback;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.widget.LockPatternUtils;
 
-import junit.framework.Assert;
-
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
-import java.io.FileDescriptor;
+import static java.io.FileDescriptor.*;
 
 /**
  * Test class for {@link LockSettingsShellCommand}.
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/KeySyncTaskTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/KeySyncTaskTest.java
index 90947f4..8a9e5d1 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/KeySyncTaskTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/KeySyncTaskTest.java
@@ -20,9 +20,9 @@
 import static android.security.keystore.recovery.KeyChainProtectionParams.UI_FORMAT_PASSWORD;
 import static android.security.keystore.recovery.KeyChainProtectionParams.UI_FORMAT_PATTERN;
 import static android.security.keystore.recovery.KeyChainProtectionParams.UI_FORMAT_PIN;
+
 import static com.android.internal.widget.LockPatternUtils.CREDENTIAL_TYPE_PASSWORD;
 import static com.android.internal.widget.LockPatternUtils.CREDENTIAL_TYPE_PATTERN;
-
 import static com.google.common.truth.Truth.assertThat;
 
 import static org.junit.Assert.assertArrayEquals;
@@ -31,7 +31,6 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
-
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.eq;
@@ -50,9 +49,10 @@
 import android.security.keystore.recovery.RecoveryController;
 import android.security.keystore.recovery.TrustedRootCertificates;
 import android.security.keystore.recovery.WrappedApplicationKey;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDb;
 import com.android.server.locksettings.recoverablekeystore.storage.RecoverySnapshotStorage;
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/KeySyncUtilsTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/KeySyncUtilsTest.java
index fae48c6..f832d3c 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/KeySyncUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/KeySyncUtilsTest.java
@@ -22,8 +22,8 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.google.common.collect.ImmutableMap;
 
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/PlatformKeyManagerTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/PlatformKeyManagerTest.java
index 0f0e3f3..13436e7 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/PlatformKeyManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/PlatformKeyManagerTest.java
@@ -32,9 +32,10 @@
 import android.content.Context;
 import android.security.keystore.KeyProperties;
 import android.security.keystore.KeyProtection;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDb;
 
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverableKeyGeneratorTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverableKeyGeneratorTest.java
index fd8b319..48afb8b 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverableKeyGeneratorTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverableKeyGeneratorTest.java
@@ -25,9 +25,10 @@
 import android.security.keystore.AndroidKeyStoreSecretKey;
 import android.security.keystore.KeyGenParameterSpec;
 import android.security.keystore.KeyProperties;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDb;
 
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverableKeyStoreManagerTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverableKeyStoreManagerTest.java
index 8e86a87..b15863d 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverableKeyStoreManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverableKeyStoreManagerTest.java
@@ -23,6 +23,7 @@
 import static android.security.keystore.recovery.RecoveryController.ERROR_INVALID_CERTIFICATE;
 
 import static com.google.common.truth.Truth.assertThat;
+
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
@@ -35,16 +36,14 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import android.Manifest;
 import android.app.KeyguardManager;
 import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
-import android.Manifest;
 import android.os.Binder;
 import android.os.ServiceSpecificException;
 import android.os.UserHandle;
-import android.security.KeyStore;
-import android.security.keystore.AndroidKeyStoreProvider;
 import android.security.keystore.AndroidKeyStoreSecretKey;
 import android.security.keystore.KeyGenParameterSpec;
 import android.security.keystore.KeyProperties;
@@ -53,9 +52,10 @@
 import android.security.keystore.recovery.RecoveryCertPath;
 import android.security.keystore.recovery.TrustedRootCertificates;
 import android.security.keystore.recovery.WrappedApplicationKey;
-import android.support.test.filters.SmallTest;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.locksettings.recoverablekeystore.storage.ApplicationKeyStorage;
 import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDb;
@@ -75,19 +75,16 @@
 
 import java.io.File;
 import java.nio.charset.StandardCharsets;
-import java.security.UnrecoverableKeyException;
 import java.security.cert.CertPath;
 import java.security.cert.CertificateFactory;
 import java.security.cert.X509Certificate;
 import java.util.ArrayList;
-import java.util.concurrent.Executors;
 import java.util.Map;
 import java.util.Random;
+import java.util.concurrent.Executors;
 
-import javax.crypto.Cipher;
 import javax.crypto.KeyGenerator;
 import javax.crypto.SecretKey;
-import javax.crypto.spec.GCMParameterSpec;
 import javax.crypto.spec.SecretKeySpec;
 
 @SmallTest
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverySnapshotListenersStorageTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverySnapshotListenersStorageTest.java
index acc200f..33038aa 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverySnapshotListenersStorageTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/RecoverySnapshotListenersStorageTest.java
@@ -8,9 +8,10 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/SecureBoxTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/SecureBoxTest.java
index 35ec23b..15b0708 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/SecureBoxTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/SecureBoxTest.java
@@ -17,11 +17,16 @@
 package com.android.server.locksettings.recoverablekeystore;
 
 import static com.google.common.truth.Truth.assertThat;
+
 import static org.testng.Assert.assertThrows;
 import static org.testng.Assert.expectThrows;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 import java.math.BigInteger;
 import java.nio.charset.StandardCharsets;
 import java.security.InvalidKeyException;
@@ -31,9 +36,8 @@
 import java.security.PrivateKey;
 import java.security.PublicKey;
 import java.security.spec.ECPrivateKeySpec;
+
 import javax.crypto.AEADBadTagException;
-import org.junit.Test;
-import org.junit.runner.RunWith;
 
 @SmallTest
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/TestOnlyInsecureCertificateHelperTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/TestOnlyInsecureCertificateHelperTest.java
index 67436cc..944d6e0 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/TestOnlyInsecureCertificateHelperTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/TestOnlyInsecureCertificateHelperTest.java
@@ -3,8 +3,9 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.security.keystore.recovery.TrustedRootCertificates;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.widget.LockPatternUtils;
 
@@ -13,6 +14,7 @@
 
 import java.util.HashMap;
 import java.util.Map;
+
 import javax.crypto.SecretKey;
 
 @SmallTest
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/WrappedKeyTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/WrappedKeyTest.java
index 56122a7..b5ee60e 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/WrappedKeyTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/WrappedKeyTest.java
@@ -24,8 +24,9 @@
 import android.security.keystore.AndroidKeyStoreSecretKey;
 import android.security.keystore.KeyGenParameterSpec;
 import android.security.keystore.KeyProperties;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.After;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/CertUtilsTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/CertUtilsTest.java
index 9279698..1cbebff 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/CertUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/CertUtilsTest.java
@@ -18,13 +18,17 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
-
 import static org.testng.Assert.assertThrows;
 import static org.testng.Assert.expectThrows;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.w3c.dom.Element;
+
+import static java.nio.charset.StandardCharsets.UTF_8;
 
 import java.io.InputStream;
 import java.security.KeyPairGenerator;
@@ -39,10 +43,6 @@
 import java.util.Collections;
 import java.util.List;
 
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.w3c.dom.Element;
-
 @SmallTest
 @RunWith(AndroidJUnit4.class)
 public final class CertUtilsTest {
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/CertXmlTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/CertXmlTest.java
index 52269d9..bbcc411 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/CertXmlTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/CertXmlTest.java
@@ -21,17 +21,17 @@
 import static org.testng.Assert.assertThrows;
 import static org.testng.Assert.expectThrows;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
-import java.security.cert.CertPath;
-import java.security.cert.X509Certificate;
-import java.util.List;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import java.security.cert.CertPath;
+import java.security.cert.X509Certificate;
+import java.util.List;
+
 @SmallTest
 @RunWith(AndroidJUnit4.class)
 public final class CertXmlTest {
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/SigXmlTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/SigXmlTest.java
index 4d87006..45adb4b 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/SigXmlTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/SigXmlTest.java
@@ -21,8 +21,8 @@
 import static org.testng.Assert.assertThrows;
 import static org.testng.Assert.expectThrows;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/TestData.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/TestData.java
index 5eb4166..c5792ad 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/TestData.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/certificate/TestData.java
@@ -17,7 +17,8 @@
 package com.android.server.locksettings.recoverablekeystore.certificate;
 
 import android.content.Context;
-import android.support.test.InstrumentationRegistry;
+
+import androidx.test.InstrumentationRegistry;
 
 import com.google.common.io.ByteStreams;
 
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/serialization/KeyChainSnapshotSerializerTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/serialization/KeyChainSnapshotSerializerTest.java
index a23ac0f..880255d 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/serialization/KeyChainSnapshotSerializerTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/serialization/KeyChainSnapshotSerializerTest.java
@@ -22,9 +22,9 @@
 import android.security.keystore.recovery.KeyChainSnapshot;
 import android.security.keystore.recovery.KeyDerivationParams;
 import android.security.keystore.recovery.WrappedApplicationKey;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.locksettings.recoverablekeystore.TestData;
 
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverableKeyStoreDbHelperTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverableKeyStoreDbHelperTest.java
index 9b09dd1a..7130b42 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverableKeyStoreDbHelperTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverableKeyStoreDbHelperTest.java
@@ -18,24 +18,25 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDbContract.KeysEntry;
+import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDbContract.RecoveryServiceMetadataEntry;
+import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDbContract.RootOfTrustEntry;
+import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDbContract.UserMetadataEntry;
 
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import android.content.ContentValues;
-import android.content.Context;
-import android.database.sqlite.SQLiteDatabase;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
-import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDbContract.KeysEntry;
-import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDbContract.RecoveryServiceMetadataEntry;
-import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDbContract.RootOfTrustEntry;
-import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDbContract.UserMetadataEntry;
+import static java.nio.charset.StandardCharsets.UTF_8;
 
 @SmallTest
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverableKeyStoreDbTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverableKeyStoreDbTest.java
index 940745e..6a26f8c 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverableKeyStoreDbTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverableKeyStoreDbTest.java
@@ -17,25 +17,27 @@
 package com.android.server.locksettings.recoverablekeystore.storage;
 
 import static com.google.common.truth.Truth.assertThat;
+
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
+import android.content.Context;
+import android.security.keystore.recovery.RecoveryController;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.server.locksettings.recoverablekeystore.TestData;
+import com.android.server.locksettings.recoverablekeystore.WrappedKey;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import android.content.Context;
-import android.security.keystore.recovery.RecoveryController;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
-import com.android.server.locksettings.recoverablekeystore.TestData;
-import com.android.server.locksettings.recoverablekeystore.WrappedKey;
-
 import java.io.File;
 import java.nio.charset.StandardCharsets;
 import java.security.KeyPairGenerator;
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverySessionStorageTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverySessionStorageTest.java
index bb0474e..c2d1440 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverySessionStorageTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverySessionStorageTest.java
@@ -22,8 +22,8 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverySnapshotStorageTest.java b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverySnapshotStorageTest.java
index ad14c3a..e8614af 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverySnapshotStorageTest.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverySnapshotStorageTest.java
@@ -12,9 +12,10 @@
 import android.security.keystore.recovery.KeyChainSnapshot;
 import android.security.keystore.recovery.KeyDerivationParams;
 import android.security.keystore.recovery.WrappedApplicationKey;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.locksettings.recoverablekeystore.TestData;
 
diff --git a/services/tests/servicestests/src/com/android/server/net/ConnOnActivityStartTest.java b/services/tests/servicestests/src/com/android/server/net/ConnOnActivityStartTest.java
index 28b54ef..fe7a376 100644
--- a/services/tests/servicestests/src/com/android/server/net/ConnOnActivityStartTest.java
+++ b/services/tests/servicestests/src/com/android/server/net/ConnOnActivityStartTest.java
@@ -20,10 +20,6 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
-import com.android.frameworks.servicestests.R;
-import com.android.servicestests.aidl.ICmdReceiverService;
-import com.android.servicestests.aidl.INetworkStateObserver;
-
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
@@ -34,13 +30,17 @@
 import android.os.IBinder;
 import android.os.SystemClock;
 import android.provider.Settings;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.LargeTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.support.test.uiautomator.UiDevice;
 import android.text.TextUtils;
 import android.util.Log;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.LargeTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.servicestests.aidl.ICmdReceiverService;
+import com.android.servicestests.aidl.INetworkStateObserver;
+
 import org.junit.AfterClass;
 import org.junit.Assert;
 import org.junit.BeforeClass;
@@ -64,7 +64,7 @@
  * Install: adb install -r \
  *     ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk
  * Run: adb shell am instrument -e class com.android.server.net.ConnOnActivityStartTest -w \
- *     com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ *     com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  */
 @LargeTest
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/net/IpConfigStoreTest.java b/services/tests/servicestests/src/com/android/server/net/IpConfigStoreTest.java
index 9f4b754..7767a28 100644
--- a/services/tests/servicestests/src/com/android/server/net/IpConfigStoreTest.java
+++ b/services/tests/servicestests/src/com/android/server/net/IpConfigStoreTest.java
@@ -27,9 +27,10 @@
 import android.net.NetworkUtils;
 import android.net.ProxyInfo;
 import android.net.StaticIpConfiguration;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.ArrayMap;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
diff --git a/services/tests/servicestests/src/com/android/server/net/watchlist/HarmfulDigestsTests.java b/services/tests/servicestests/src/com/android/server/net/watchlist/HarmfulDigestsTests.java
index a34f95e..be56855 100644
--- a/services/tests/servicestests/src/com/android/server/net/watchlist/HarmfulDigestsTests.java
+++ b/services/tests/servicestests/src/com/android/server/net/watchlist/HarmfulDigestsTests.java
@@ -19,8 +19,8 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.util.HexDump;
 
diff --git a/services/tests/servicestests/src/com/android/server/net/watchlist/NetworkWatchlistServiceTests.java b/services/tests/servicestests/src/com/android/server/net/watchlist/NetworkWatchlistServiceTests.java
index ccd3cdd..b5a354c 100644
--- a/services/tests/servicestests/src/com/android/server/net/watchlist/NetworkWatchlistServiceTests.java
+++ b/services/tests/servicestests/src/com/android/server/net/watchlist/NetworkWatchlistServiceTests.java
@@ -17,7 +17,6 @@
 package com.android.server.net.watchlist;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
@@ -30,9 +29,10 @@
 import android.os.Message;
 import android.os.Process;
 import android.os.RemoteException;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.ServiceThread;
 
diff --git a/services/tests/servicestests/src/com/android/server/net/watchlist/PrivacyUtilsTests.java b/services/tests/servicestests/src/com/android/server/net/watchlist/PrivacyUtilsTests.java
index 6f2237f..9d2c409 100644
--- a/services/tests/servicestests/src/com/android/server/net/watchlist/PrivacyUtilsTests.java
+++ b/services/tests/servicestests/src/com/android/server/net/watchlist/PrivacyUtilsTests.java
@@ -21,8 +21,9 @@
 import static org.junit.Assert.assertTrue;
 
 import android.privacy.DifferentialPrivacyEncoder;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/net/watchlist/ReportEncoderTests.java b/services/tests/servicestests/src/com/android/server/net/watchlist/ReportEncoderTests.java
index cb4f6c5..bf125f8 100644
--- a/services/tests/servicestests/src/com/android/server/net/watchlist/ReportEncoderTests.java
+++ b/services/tests/servicestests/src/com/android/server/net/watchlist/ReportEncoderTests.java
@@ -19,9 +19,13 @@
 import static org.junit.Assert.assertEquals;
 
 import android.content.Context;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.service.nano.NetworkWatchlistAppResultProto;
+import com.android.service.nano.NetworkWatchlistReportProto;
 
 import org.junit.After;
 import org.junit.Before;
@@ -35,9 +39,6 @@
 import java.io.InputStreamReader;
 import java.util.HashMap;
 
-import com.android.service.nano.NetworkWatchlistReportProto;
-import com.android.service.nano.NetworkWatchlistAppResultProto;
-
 /**
  * runtest frameworks-services -c com.android.server.net.watchlist.ReportEncoderTests
  */
diff --git a/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistConfigTests.java b/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistConfigTests.java
index 678f018..fa61c59 100644
--- a/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistConfigTests.java
+++ b/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistConfigTests.java
@@ -18,13 +18,14 @@
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
 
 import android.content.Context;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.util.HexDump;
 
@@ -40,8 +41,6 @@
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.io.PrintWriter;
-import java.util.Arrays;
-
 
 /**
  * runtest frameworks-services -c com.android.server.net.watchlist.WatchlistConfigTests
diff --git a/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistLoggingHandlerTests.java b/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistLoggingHandlerTests.java
index 8399dac..8bbad8d 100644
--- a/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistLoggingHandlerTests.java
+++ b/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistLoggingHandlerTests.java
@@ -17,11 +17,12 @@
 package com.android.server.net.watchlist;
 
 import static org.junit.Assert.assertEquals;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.doAnswer;
-
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.mock;
 
 import android.content.Context;
 import android.content.ContextWrapper;
@@ -32,21 +33,18 @@
 import android.os.FileUtils;
 import android.os.Looper;
 import android.os.UserManager;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-import android.support.test.InstrumentationRegistry;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.mockito.invocation.InvocationOnMock;
 
-import static org.mockito.ArgumentMatchers.anyInt;
-import static org.mockito.ArgumentMatchers.anyString;
-
 import java.io.File;
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistSettingsTests.java b/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistSettingsTests.java
index 07158af..03b1c41 100644
--- a/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistSettingsTests.java
+++ b/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistSettingsTests.java
@@ -20,9 +20,10 @@
 import static org.junit.Assert.assertNotEquals;
 
 import android.content.Context;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.util.HexDump;
 
diff --git a/services/tests/servicestests/src/com/android/server/pm/InstallerTest.java b/services/tests/servicestests/src/com/android/server/pm/InstallerTest.java
index b2eb572..6591d6f 100644
--- a/services/tests/servicestests/src/com/android/server/pm/InstallerTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/InstallerTest.java
@@ -22,10 +22,11 @@
 import android.content.pm.PackageStats;
 import android.os.SystemClock;
 import android.os.UserHandle;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Log;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.util.ArrayUtils;
 
 import org.junit.After;
diff --git a/services/tests/servicestests/src/com/android/server/pm/PackageManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/pm/PackageManagerServiceTest.java
index cdac516..e379cd0 100644
--- a/services/tests/servicestests/src/com/android/server/pm/PackageManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/PackageManagerServiceTest.java
@@ -18,7 +18,8 @@
 
 import android.content.IIntentReceiver;
 import android.os.Bundle;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.After;
 import org.junit.Assert;
diff --git a/services/tests/servicestests/src/com/android/server/pm/PackageManagerSettingsTests.java b/services/tests/servicestests/src/com/android/server/pm/PackageManagerSettingsTests.java
index 97ff94f..ee41c0b 100644
--- a/services/tests/servicestests/src/com/android/server/pm/PackageManagerSettingsTests.java
+++ b/services/tests/servicestests/src/com/android/server/pm/PackageManagerSettingsTests.java
@@ -42,14 +42,15 @@
 import android.os.PersistableBundle;
 import android.os.UserHandle;
 import android.os.UserManagerInternal;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.ArrayMap;
 import android.util.ArraySet;
 import android.util.Log;
 import android.util.LongSparseArray;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.os.AtomicFile;
 import com.android.server.LocalServices;
 import com.android.server.pm.permission.PermissionManagerInternal;
diff --git a/services/tests/servicestests/src/com/android/server/pm/PackageParserTest.java b/services/tests/servicestests/src/com/android/server/pm/PackageParserTest.java
index 2f6e2c2..318ed3a 100644
--- a/services/tests/servicestests/src/com/android/server/pm/PackageParserTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/PackageParserTest.java
@@ -15,6 +15,8 @@
  */
 package com.android.server.pm;
 
+import static org.junit.Assert.*;
+
 import android.content.pm.ActivityInfo;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.ConfigurationInfo;
@@ -28,9 +30,18 @@
 import android.os.Bundle;
 import android.os.Parcel;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.MediumTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import android.util.ArrayMap;
+import android.util.ArraySet;
+
+import androidx.test.filters.MediumTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import libcore.io.IoUtils;
 
 import java.io.File;
 import java.lang.reflect.Array;
@@ -42,16 +53,6 @@
 import java.util.List;
 import java.util.Set;
 
-import static org.junit.Assert.*;
-
-import android.util.ArrayMap;
-import android.util.ArraySet;
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import libcore.io.IoUtils;
-
 @RunWith(AndroidJUnit4.class)
 @MediumTest
 public class PackageParserTest {
diff --git a/services/tests/servicestests/src/com/android/server/pm/PackageUserStateTest.java b/services/tests/servicestests/src/com/android/server/pm/PackageUserStateTest.java
index 2a4ea8c..4a33ca3 100644
--- a/services/tests/servicestests/src/com/android/server/pm/PackageUserStateTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/PackageUserStateTest.java
@@ -24,10 +24,11 @@
 
 import android.content.pm.PackageUserState;
 import android.os.PersistableBundle;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.ArraySet;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
diff --git a/services/tests/servicestests/src/com/android/server/pm/ParallelPackageParserTest.java b/services/tests/servicestests/src/com/android/server/pm/ParallelPackageParserTest.java
index d665094..41489dc 100644
--- a/services/tests/servicestests/src/com/android/server/pm/ParallelPackageParserTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/ParallelPackageParserTest.java
@@ -17,9 +17,10 @@
 package com.android.server.pm;
 
 import android.content.pm.PackageParser;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Log;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import junit.framework.Assert;
 
 import org.junit.Before;
diff --git a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest1.java b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest1.java
index 6c6c9932..fa73447 100644
--- a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest1.java
+++ b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest1.java
@@ -117,7 +117,7 @@
  adb install \
  -r -g ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
  adb shell am instrument -e class com.android.server.pm.ShortcutManagerTest1 \
- -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  */
 @SmallTest
 public class ShortcutManagerTest1 extends BaseShortcutManagerTest {
diff --git a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest10.java b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest10.java
index ca1e6af..ae01b40 100644
--- a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest10.java
+++ b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest10.java
@@ -37,7 +37,7 @@
  adb install \
  -r -g ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
  adb shell am instrument -e class com.android.server.pm.ShortcutManagerTest10 \
- -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  */
 @SmallTest
 public class ShortcutManagerTest10 extends BaseShortcutManagerTest {
diff --git a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest2.java b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest2.java
index fcdadac..76d52fd 100644
--- a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest2.java
+++ b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest2.java
@@ -50,8 +50,6 @@
 import java.io.File;
 import java.io.FileWriter;
 import java.io.IOException;
-import java.io.PrintWriter;
-import java.io.StringWriter;
 import java.io.Writer;
 import java.util.Locale;
 
@@ -62,7 +60,7 @@
  adb install \
  -r -g ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
  adb shell am instrument -e class com.android.server.pm.ShortcutManagerTest2 \
- -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  */
 @SmallTest
 public class ShortcutManagerTest2 extends BaseShortcutManagerTest {
diff --git a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest8.java b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest8.java
index e9a329c..8a489d2 100644
--- a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest8.java
+++ b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest8.java
@@ -56,7 +56,7 @@
  adb install \
  -r -g ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
  adb shell am instrument -e class com.android.server.pm.ShortcutManagerTest8 \
- -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
 
  * TODO for CTS
  * - Foreground check.
diff --git a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest9.java b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest9.java
index 012024f1..edb9df5 100644
--- a/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest9.java
+++ b/services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest9.java
@@ -44,7 +44,7 @@
  adb install \
  -r -g ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
  adb shell am instrument -e class com.android.server.pm.ShortcutManagerTest9 \
- -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  */
 @SmallTest
 public class ShortcutManagerTest9 extends BaseShortcutManagerTest {
diff --git a/services/tests/servicestests/src/com/android/server/pm/SuspendPackagesTest.java b/services/tests/servicestests/src/com/android/server/pm/SuspendPackagesTest.java
index c186e48..f115b9c 100644
--- a/services/tests/servicestests/src/com/android/server/pm/SuspendPackagesTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/SuspendPackagesTest.java
@@ -41,9 +41,6 @@
 import android.os.PersistableBundle;
 import android.os.RemoteException;
 import android.os.UserHandle;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.LargeTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.support.test.uiautomator.By;
 import android.support.test.uiautomator.UiDevice;
 import android.support.test.uiautomator.UiObject2;
@@ -52,6 +49,10 @@
 import android.view.IWindowManager;
 import android.view.WindowManagerGlobal;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.LargeTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.servicestests.apps.suspendtestapp.SuspendTestActivity;
 import com.android.servicestests.apps.suspendtestapp.SuspendTestReceiver;
 
diff --git a/services/tests/servicestests/src/com/android/server/pm/UserDataPreparerTest.java b/services/tests/servicestests/src/com/android/server/pm/UserDataPreparerTest.java
index bb35beb..c489cf0 100644
--- a/services/tests/servicestests/src/com/android/server/pm/UserDataPreparerTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/UserDataPreparerTest.java
@@ -16,15 +16,22 @@
 
 package com.android.server.pm;
 
+import static org.junit.Assert.assertEquals;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Matchers.isNull;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
 import android.content.Context;
 import android.content.pm.UserInfo;
 import android.os.FileUtils;
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeInfo;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -39,19 +46,13 @@
 import java.util.Arrays;
 import java.util.Collections;
 
-import static org.junit.Assert.assertEquals;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Matchers.isNull;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
 /**
  * <p>Run with:<pre>
  * m FrameworksServicesTests &&
  * adb install \
  * -r out/target/product/hammerhead/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
  * adb shell am instrument -e class com.android.server.pm.UserDataPreparerTest \
- * -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ * -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  * </pre>
  */
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/pm/UserLifecycleStressTest.java b/services/tests/servicestests/src/com/android/server/pm/UserLifecycleStressTest.java
index 304e0e9..d6f7e37 100644
--- a/services/tests/servicestests/src/com/android/server/pm/UserLifecycleStressTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/UserLifecycleStressTest.java
@@ -24,11 +24,12 @@
 import android.content.pm.UserInfo;
 import android.os.RemoteException;
 import android.os.UserManager;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.LargeTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Log;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.LargeTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceCreateProfileTest.java b/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceCreateProfileTest.java
index c314de4..8dd8967 100644
--- a/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceCreateProfileTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceCreateProfileTest.java
@@ -24,20 +24,21 @@
 import android.os.Looper;
 import android.os.UserHandle;
 import android.os.UserManagerInternal;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.IconDrawableFactory;
 
-import com.android.server.LocalServices;
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
 
-import java.util.List;
+import com.android.server.LocalServices;
 
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import java.util.List;
+
 /**
  * <p>Run with:<pre>
  * runtest -c com.android.server.pm.UserManagerServiceCreateProfileTest frameworks-services
diff --git a/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceIdRecyclingTest.java b/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceIdRecyclingTest.java
index 35967fb..a9ce618 100644
--- a/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceIdRecyclingTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceIdRecyclingTest.java
@@ -16,12 +16,17 @@
 
 package com.android.server.pm;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
 import android.content.pm.UserInfo;
 import android.os.Looper;
 import android.os.UserManagerInternal;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
-import android.support.test.filters.MediumTest;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.LocalServices;
 
@@ -31,17 +36,13 @@
 
 import java.util.LinkedHashSet;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
-
 /**
  * <p>Run with:<pre>
  * m FrameworksServicesTests &&
  * adb install \
  * -r out/target/product/hammerhead/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
  * adb shell am instrument -e class com.android.server.pm.UserManagerServiceIdRecyclingTest \
- * -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ * -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  * </pre>
  */
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceUserInfoTest.java b/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceUserInfoTest.java
index 092119e..806c71a 100644
--- a/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceUserInfoTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/UserManagerServiceUserInfoTest.java
@@ -16,16 +16,21 @@
 
 package com.android.server.pm;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
 import android.content.pm.UserInfo;
 import android.os.Looper;
 import android.os.Parcel;
-import android.os.UserManagerInternal;
 import android.os.UserHandle;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
-import android.support.test.filters.MediumTest;
+import android.os.UserManagerInternal;
 import android.text.TextUtils;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.LocalServices;
 import com.android.server.pm.UserManagerService.UserData;
 
@@ -38,10 +43,6 @@
 import java.io.DataOutputStream;
 import java.util.List;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
 /**
  * <p>Run with:<pre>
  * runtest -c com.android.server.pm.UserManagerServiceUserInfoTest frameworks-services
diff --git a/services/tests/servicestests/src/com/android/server/pm/UserRestrictionsUtilsTest.java b/services/tests/servicestests/src/com/android/server/pm/UserRestrictionsUtilsTest.java
index 882bf32..2cc5323 100644
--- a/services/tests/servicestests/src/com/android/server/pm/UserRestrictionsUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/UserRestrictionsUtilsTest.java
@@ -35,7 +35,7 @@
    adb install \
      -r out/target/product/hammerhead/data/app/FrameworksServicesTests/FrameworksServicesTests.apk &&
    adb shell am instrument -e class com.android.server.pm.UserRestrictionsUtilsTest \
-     -w com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+     -w com.android.frameworks.servicestests/androidx.test.runner.AndroidJUnitRunner
  * </pre>
  */
 @SmallTest
diff --git a/services/tests/servicestests/src/com/android/server/pm/backup/BackupUtilsTest.java b/services/tests/servicestests/src/com/android/server/pm/backup/BackupUtilsTest.java
index caa1d02..13612a1 100644
--- a/services/tests/servicestests/src/com/android/server/pm/backup/BackupUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/backup/BackupUtilsTest.java
@@ -17,24 +17,22 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
 
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManagerInternal;
 import android.content.pm.PackageParser;
-import android.content.pm.PackageParser.Package;
 import android.content.pm.Signature;
 import android.content.pm.SigningInfo;
-import android.test.MoreAsserts;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+import android.test.MoreAsserts;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.backup.BackupUtils;
 
diff --git a/services/tests/servicestests/src/com/android/server/pm/dex/DexLoggerTests.java b/services/tests/servicestests/src/com/android/server/pm/dex/DexLoggerTests.java
index bf8d405..87c3cd2 100644
--- a/services/tests/servicestests/src/com/android/server/pm/dex/DexLoggerTests.java
+++ b/services/tests/servicestests/src/com/android/server/pm/dex/DexLoggerTests.java
@@ -16,13 +16,19 @@
 
 package com.android.server.pm.dex;
 
+import static com.android.server.pm.dex.PackageDexUsage.DexUseInfo;
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.doThrow;
+
 import android.content.pm.ApplicationInfo;
 import android.content.pm.IPackageManager;
-import android.content.pm.PackageInfo;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.os.storage.StorageManager;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.pm.Installer;
 import com.android.server.pm.Installer.InstallerException;
 
@@ -40,14 +46,6 @@
 
 import java.util.Arrays;
 
-import static com.google.common.truth.Truth.assertThat;
-
-import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.doThrow;
-
-import static com.android.server.pm.dex.PackageDexUsage.PackageUseInfo;
-import static com.android.server.pm.dex.PackageDexUsage.DexUseInfo;
-
 @RunWith(AndroidJUnit4.class)
 @SmallTest
 public class DexLoggerTests {
diff --git a/services/tests/servicestests/src/com/android/server/pm/dex/DexManagerTests.java b/services/tests/servicestests/src/com/android/server/pm/dex/DexManagerTests.java
index 147347d..416a616 100644
--- a/services/tests/servicestests/src/com/android/server/pm/dex/DexManagerTests.java
+++ b/services/tests/servicestests/src/com/android/server/pm/dex/DexManagerTests.java
@@ -16,16 +16,40 @@
 
 package com.android.server.pm.dex;
 
+import static com.android.server.pm.dex.PackageDexUsage.DexUseInfo;
+import static com.android.server.pm.dex.PackageDexUsage.PackageUseInfo;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
 import android.content.pm.ApplicationInfo;
 import android.content.pm.IPackageManager;
 import android.content.pm.PackageInfo;
 import android.os.Build;
 import android.os.UserHandle;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.pm.Installer;
 
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnit;
+import org.mockito.junit.MockitoRule;
+import org.mockito.quality.Strictness;
+
 import dalvik.system.DelegateLastClassLoader;
 import dalvik.system.PathClassLoader;
 import dalvik.system.VMRuntime;
@@ -38,31 +62,6 @@
 import java.util.List;
 import java.util.Map;
 
-import org.junit.Before;
-import org.junit.Rule;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.Mock;
-import org.mockito.junit.MockitoJUnit;
-import org.mockito.junit.MockitoRule;
-import org.mockito.quality.Strictness;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.anyInt;
-import static org.mockito.ArgumentMatchers.anyString;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
-import static com.android.server.pm.dex.PackageDexUsage.PackageUseInfo;
-import static com.android.server.pm.dex.PackageDexUsage.DexUseInfo;
-
 @RunWith(AndroidJUnit4.class)
 @SmallTest
 public class DexManagerTests {
diff --git a/services/tests/servicestests/src/com/android/server/pm/dex/DexoptOptionsTests.java b/services/tests/servicestests/src/com/android/server/pm/dex/DexoptOptionsTests.java
index 93064bc..62589eb 100644
--- a/services/tests/servicestests/src/com/android/server/pm/dex/DexoptOptionsTests.java
+++ b/services/tests/servicestests/src/com/android/server/pm/dex/DexoptOptionsTests.java
@@ -19,19 +19,19 @@
 
 import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.pm.PackageManagerService;
 import com.android.server.pm.PackageManagerServiceCompilerMapping;
 
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 @RunWith(AndroidJUnit4.class)
 @SmallTest
 public class DexoptOptionsTests {
diff --git a/services/tests/servicestests/src/com/android/server/pm/dex/DexoptUtilsTest.java b/services/tests/servicestests/src/com/android/server/pm/dex/DexoptUtilsTest.java
index 150f7f0..77f517b 100644
--- a/services/tests/servicestests/src/com/android/server/pm/dex/DexoptUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/dex/DexoptUtilsTest.java
@@ -16,9 +16,8 @@
 
 package com.android.server.pm.dex;
 
-import com.android.server.pm.PackageDexOptimizer;
-
 import static com.android.server.pm.PackageDexOptimizer.SKIP_SHARED_LIBRARY_CHECK;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
@@ -26,17 +25,18 @@
 import static org.junit.Assert.fail;
 
 import android.content.pm.ApplicationInfo;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.SparseArray;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 import dalvik.system.DelegateLastClassLoader;
 import dalvik.system.DexClassLoader;
 import dalvik.system.PathClassLoader;
 
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
 import java.io.File;
 import java.util.Arrays;
 import java.util.Collections;
diff --git a/services/tests/servicestests/src/com/android/server/pm/dex/PackageDexUsageTests.java b/services/tests/servicestests/src/com/android/server/pm/dex/PackageDexUsageTests.java
index 69a148d..3e93dcf 100644
--- a/services/tests/servicestests/src/com/android/server/pm/dex/PackageDexUsageTests.java
+++ b/services/tests/servicestests/src/com/android/server/pm/dex/PackageDexUsageTests.java
@@ -16,16 +16,27 @@
 
 package com.android.server.pm.dex;
 
-import android.os.Build;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-import dalvik.system.VMRuntime;
+import static com.android.server.pm.dex.PackageDexUsage.DexUseInfo;
+import static com.android.server.pm.dex.PackageDexUsage.PackageUseInfo;
 
-import java.util.Collections;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import android.os.Build;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import dalvik.system.VMRuntime;
+
 import java.io.IOException;
 import java.io.StringReader;
 import java.io.StringWriter;
@@ -35,16 +46,6 @@
 import java.util.Map;
 import java.util.Set;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
-
-import static com.android.server.pm.dex.PackageDexUsage.PackageUseInfo;
-import static com.android.server.pm.dex.PackageDexUsage.DexUseInfo;
-
 @RunWith(AndroidJUnit4.class)
 @SmallTest
 public class PackageDexUsageTests {
diff --git a/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerInsetsTest.java b/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerInsetsTest.java
index 7e18ce7..cce6ba7 100644
--- a/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerInsetsTest.java
+++ b/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerInsetsTest.java
@@ -22,16 +22,15 @@
 import static android.view.Surface.ROTATION_90;
 
 import static org.hamcrest.Matchers.equalTo;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertThat;
 
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.Display;
 import android.view.DisplayInfo;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerLayoutTest.java b/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerLayoutTest.java
index cb9fab3..fee761d 100644
--- a/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerLayoutTest.java
+++ b/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerLayoutTest.java
@@ -39,11 +39,12 @@
 import android.graphics.PixelFormat;
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.DisplayCutout;
 import android.view.WindowManager;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerTest.java b/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerTest.java
index 30665b5..d92d7e0 100644
--- a/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerTest.java
@@ -19,6 +19,10 @@
 import static android.view.View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR;
 import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
 import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
+import static android.view.WindowManager.DOCKED_BOTTOM;
+import static android.view.WindowManager.DOCKED_LEFT;
+import static android.view.WindowManager.DOCKED_RIGHT;
+import static android.view.WindowManager.DOCKED_TOP;
 import static android.view.WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM;
 import static android.view.WindowManager.LayoutParams.FLAG_DIM_BEHIND;
 import static android.view.WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS;
@@ -28,13 +32,9 @@
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION;
 import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
 import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD;
-import static android.view.WindowManager.DOCKED_BOTTOM;
-import static android.view.WindowManager.DOCKED_LEFT;
-import static android.view.WindowManager.DOCKED_RIGHT;
-import static android.view.WindowManager.DOCKED_TOP;
 
-import static com.android.server.policy.WindowManagerPolicy.NAV_BAR_LEFT;
 import static com.android.server.policy.WindowManagerPolicy.NAV_BAR_BOTTOM;
+import static com.android.server.policy.WindowManagerPolicy.NAV_BAR_LEFT;
 import static com.android.server.policy.WindowManagerPolicy.NAV_BAR_RIGHT;
 
 import static org.junit.Assert.assertEquals;
@@ -44,10 +44,11 @@
 
 import android.graphics.PixelFormat;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.WindowManager;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
diff --git a/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerTestBase.java b/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerTestBase.java
index ef87f9d..acd065e 100644
--- a/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerTestBase.java
+++ b/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerTestBase.java
@@ -34,13 +34,11 @@
 import android.content.pm.PackageManager;
 import android.content.res.Resources;
 import android.graphics.Matrix;
-import android.graphics.Path;
 import android.graphics.PixelFormat;
 import android.graphics.Rect;
 import android.graphics.RectF;
 import android.os.IBinder;
 import android.os.UserHandle;
-import android.support.test.InstrumentationRegistry;
 import android.testing.TestableResources;
 import android.util.Pair;
 import android.view.Display;
@@ -53,6 +51,8 @@
 import android.view.accessibility.AccessibilityManager;
 import android.view.accessibility.IAccessibilityManager;
 
+import androidx.test.InstrumentationRegistry;
+
 import com.android.server.policy.keyguard.KeyguardServiceDelegate;
 import com.android.server.wm.DisplayFrames;
 import com.android.server.wm.WindowTestUtils.TestDisplayContent;
diff --git a/services/tests/servicestests/src/com/android/server/power/batterysaver/BatterySaverStateMachineTest.java b/services/tests/servicestests/src/com/android/server/power/batterysaver/BatterySaverStateMachineTest.java
index 0764a56..fd04970 100644
--- a/services/tests/servicestests/src/com/android/server/power/batterysaver/BatterySaverStateMachineTest.java
+++ b/services/tests/servicestests/src/com/android/server/power/batterysaver/BatterySaverStateMachineTest.java
@@ -25,10 +25,11 @@
 import android.content.ContentResolver;
 import android.content.res.Resources;
 import android.provider.Settings.Global;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.mock.MockContext;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.google.common.base.Objects;
 
 import org.junit.Before;
diff --git a/services/tests/servicestests/src/com/android/server/power/batterysaver/BatterySavingStatsTest.java b/services/tests/servicestests/src/com/android/server/power/batterysaver/BatterySavingStatsTest.java
index 9bd4cc3..ba61fd2 100644
--- a/services/tests/servicestests/src/com/android/server/power/batterysaver/BatterySavingStatsTest.java
+++ b/services/tests/servicestests/src/com/android/server/power/batterysaver/BatterySavingStatsTest.java
@@ -25,8 +25,9 @@
 import static org.mockito.Mockito.verify;
 
 import android.metrics.LogMaker;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
diff --git a/services/tests/servicestests/src/com/android/server/power/batterysaver/CpuFrequenciesTest.java b/services/tests/servicestests/src/com/android/server/power/batterysaver/CpuFrequenciesTest.java
index f72ec34..8371e9c 100644
--- a/services/tests/servicestests/src/com/android/server/power/batterysaver/CpuFrequenciesTest.java
+++ b/services/tests/servicestests/src/com/android/server/power/batterysaver/CpuFrequenciesTest.java
@@ -17,10 +17,11 @@
 
 import static org.junit.Assert.assertEquals;
 
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.ArrayMap;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
diff --git a/services/tests/servicestests/src/com/android/server/power/batterysaver/FileUpdaterTest.java b/services/tests/servicestests/src/com/android/server/power/batterysaver/FileUpdaterTest.java
index 7324fe6..89c7dd4 100644
--- a/services/tests/servicestests/src/com/android/server/power/batterysaver/FileUpdaterTest.java
+++ b/services/tests/servicestests/src/com/android/server/power/batterysaver/FileUpdaterTest.java
@@ -27,14 +27,14 @@
 import static org.mockito.Mockito.verify;
 
 import android.content.Context;
-import android.hardware.camera2.impl.GetCommand;
 import android.os.Handler;
 import android.os.Looper;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.ArrayMap;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -48,7 +48,6 @@
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicInteger;
 
-
 /**
  atest $ANDROID_BUILD_TOP/frameworks/base/services/tests/servicestests/src/com/android/server/power/batterysaver/FileUpdaterTest.java
  */
diff --git a/services/tests/servicestests/src/com/android/server/timedetector/SimpleTimeZoneDetectorStrategyTest.java b/services/tests/servicestests/src/com/android/server/timedetector/SimpleTimeZoneDetectorStrategyTest.java
index 62f1433..9e00077 100644
--- a/services/tests/servicestests/src/com/android/server/timedetector/SimpleTimeZoneDetectorStrategyTest.java
+++ b/services/tests/servicestests/src/com/android/server/timedetector/SimpleTimeZoneDetectorStrategyTest.java
@@ -28,9 +28,10 @@
 import android.icu.util.Calendar;
 import android.icu.util.GregorianCalendar;
 import android.icu.util.TimeZone;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.TimestampedValue;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorServiceTest.java b/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorServiceTest.java
index ed74cd7..45fef76 100644
--- a/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorServiceTest.java
@@ -31,15 +31,16 @@
 import android.app.timedetector.TimeSignal;
 import android.content.Context;
 import android.content.pm.PackageManager;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.TimestampedValue;
 
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.server.timedetector.TimeDetectorStrategy.Callback;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import com.android.server.timedetector.TimeDetectorStrategy.Callback;
-
 import java.io.PrintWriter;
 
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorStrategyTest.java b/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorStrategyTest.java
index 301ded4..239d413 100644
--- a/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorStrategyTest.java
+++ b/services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorStrategyTest.java
@@ -18,9 +18,10 @@
 
 import static org.junit.Assert.assertEquals;
 
-import android.support.test.runner.AndroidJUnit4;
 import android.util.TimestampedValue;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
diff --git a/services/tests/servicestests/src/com/android/server/timezone/CheckTokenTest.java b/services/tests/servicestests/src/com/android/server/timezone/CheckTokenTest.java
index 9603a06..f7d282b 100644
--- a/services/tests/servicestests/src/com/android/server/timezone/CheckTokenTest.java
+++ b/services/tests/servicestests/src/com/android/server/timezone/CheckTokenTest.java
@@ -16,16 +16,16 @@
 
 package com.android.server.timezone;
 
-import org.junit.Test;
-
-import android.support.test.filters.SmallTest;
-
-import java.io.IOException;
-
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.fail;
 
+import androidx.test.filters.SmallTest;
+
+import org.junit.Test;
+
+import java.io.IOException;
+
 @SmallTest
 public class CheckTokenTest {
 
diff --git a/services/tests/servicestests/src/com/android/server/timezone/PackageStatusStorageTest.java b/services/tests/servicestests/src/com/android/server/timezone/PackageStatusStorageTest.java
index 74013b7..090db11 100644
--- a/services/tests/servicestests/src/com/android/server/timezone/PackageStatusStorageTest.java
+++ b/services/tests/servicestests/src/com/android/server/timezone/PackageStatusStorageTest.java
@@ -16,26 +16,28 @@
 
 package com.android.server.timezone;
 
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
-
-import android.content.Context;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-
-import java.io.File;
-import java.io.IOException;
-import java.io.PrintWriter;
-import java.io.StringWriter;
-
 import static junit.framework.Assert.assertTrue;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.fail;
 
+import android.content.Context;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+
 @SmallTest
 public class PackageStatusStorageTest {
     private static final PackageVersions VALID_PACKAGE_VERSIONS = new PackageVersions(1, 2);
diff --git a/services/tests/servicestests/src/com/android/server/timezone/PackageStatusTest.java b/services/tests/servicestests/src/com/android/server/timezone/PackageStatusTest.java
index c0ae81e..9b45f05 100644
--- a/services/tests/servicestests/src/com/android/server/timezone/PackageStatusTest.java
+++ b/services/tests/servicestests/src/com/android/server/timezone/PackageStatusTest.java
@@ -16,13 +16,13 @@
 
 package com.android.server.timezone;
 
-import org.junit.Test;
-
-import android.support.test.filters.SmallTest;
-
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 
+import androidx.test.filters.SmallTest;
+
+import org.junit.Test;
+
 @SmallTest
 public class PackageStatusTest {
 
diff --git a/services/tests/servicestests/src/com/android/server/timezone/PackageTrackerTest.java b/services/tests/servicestests/src/com/android/server/timezone/PackageTrackerTest.java
index d9f4adf..1356ea2 100644
--- a/services/tests/servicestests/src/com/android/server/timezone/PackageTrackerTest.java
+++ b/services/tests/servicestests/src/com/android/server/timezone/PackageTrackerTest.java
@@ -16,27 +16,6 @@
 
 package com.android.server.timezone;
 
-import org.hamcrest.BaseMatcher;
-import org.hamcrest.Description;
-import org.hamcrest.Matcher;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
-
-import android.app.timezone.RulesUpdaterContract;
-import android.content.Context;
-import android.content.Intent;
-import android.provider.TimeZoneRulesDataContract;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-
-import java.io.File;
-import java.io.PrintWriter;
-import java.io.StringWriter;
-import java.time.Clock;
-import java.time.Instant;
-import java.time.ZoneId;
-
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
@@ -48,6 +27,28 @@
 import static org.mockito.Mockito.when;
 import static org.mockito.hamcrest.MockitoHamcrest.argThat;
 
+import android.app.timezone.RulesUpdaterContract;
+import android.content.Context;
+import android.content.Intent;
+import android.provider.TimeZoneRulesDataContract;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+
+import org.hamcrest.BaseMatcher;
+import org.hamcrest.Description;
+import org.hamcrest.Matcher;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.File;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.time.Clock;
+import java.time.Instant;
+import java.time.ZoneId;
+
 /**
  * White box interaction / unit testing of the {@link PackageTracker}.
  */
diff --git a/services/tests/servicestests/src/com/android/server/timezone/PackageVersionsTest.java b/services/tests/servicestests/src/com/android/server/timezone/PackageVersionsTest.java
index a470f8f..9ffc4e9 100644
--- a/services/tests/servicestests/src/com/android/server/timezone/PackageVersionsTest.java
+++ b/services/tests/servicestests/src/com/android/server/timezone/PackageVersionsTest.java
@@ -16,13 +16,13 @@
 
 package com.android.server.timezone;
 
-import org.junit.Test;
-
-import android.support.test.filters.SmallTest;
-
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 
+import androidx.test.filters.SmallTest;
+
+import org.junit.Test;
+
 @SmallTest
 public class PackageVersionsTest {
 
diff --git a/services/tests/servicestests/src/com/android/server/timezonedetector/TimeZoneDetectorServiceTest.java b/services/tests/servicestests/src/com/android/server/timezonedetector/TimeZoneDetectorServiceTest.java
index 19d31cf..0936fff 100644
--- a/services/tests/servicestests/src/com/android/server/timezonedetector/TimeZoneDetectorServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/timezonedetector/TimeZoneDetectorServiceTest.java
@@ -17,8 +17,9 @@
 package com.android.server.timezonedetector;
 
 import android.content.Context;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/usage/AppStandbyControllerTests.java b/services/tests/servicestests/src/com/android/server/usage/AppStandbyControllerTests.java
index 8461166..869f8fa0 100644
--- a/services/tests/servicestests/src/com/android/server/usage/AppStandbyControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/usage/AppStandbyControllerTests.java
@@ -37,11 +37,9 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotEquals;
 import static org.junit.Assert.assertTrue;
-
 import static org.junit.Assert.fail;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Matchers.anyInt;
-import static org.mockito.Matchers.anyString;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
 
@@ -58,12 +56,13 @@
 import android.os.Looper;
 import android.os.RemoteException;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.ArraySet;
 import android.view.Display;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.SystemService;
 
 import org.junit.Before;
diff --git a/services/tests/servicestests/src/com/android/server/usage/AppTimeLimitControllerTests.java b/services/tests/servicestests/src/com/android/server/usage/AppTimeLimitControllerTests.java
index 84475bb..047addd 100644
--- a/services/tests/servicestests/src/com/android/server/usage/AppTimeLimitControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/usage/AppTimeLimitControllerTests.java
@@ -19,13 +19,13 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
 
 import android.app.PendingIntent;
 import android.os.HandlerThread;
 import android.os.Looper;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.After;
 import org.junit.Before;
diff --git a/services/tests/servicestests/src/com/android/server/utils/PriorityDumpTest.java b/services/tests/servicestests/src/com/android/server/utils/PriorityDumpTest.java
index da45d81..4eb2474 100644
--- a/services/tests/servicestests/src/com/android/server/utils/PriorityDumpTest.java
+++ b/services/tests/servicestests/src/com/android/server/utils/PriorityDumpTest.java
@@ -18,14 +18,16 @@
 
 import static com.android.server.utils.PriorityDump.dump;
 
-import static org.junit.Assert.assertSame;
 import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertSame;
 import static org.mockito.Matchers.eq;
 import static org.mockito.Matchers.same;
 import static org.mockito.Mockito.verify;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
+
+import androidx.test.filters.SmallTest;
+
 import com.android.server.utils.PriorityDump.PriorityDumper;
 
 import org.junit.Before;
diff --git a/services/tests/servicestests/src/com/android/server/wallpaper/WallpaperServiceTests.java b/services/tests/servicestests/src/com/android/server/wallpaper/WallpaperServiceTests.java
index 9c010a0..2dd8817 100644
--- a/services/tests/servicestests/src/com/android/server/wallpaper/WallpaperServiceTests.java
+++ b/services/tests/servicestests/src/com/android/server/wallpaper/WallpaperServiceTests.java
@@ -24,9 +24,10 @@
 import android.os.Message;
 import android.os.SystemClock;
 import android.service.wallpaper.WallpaperService;
-import android.support.test.annotation.UiThreadTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.annotation.UiThreadTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/webkit/WebViewUpdateServiceTest.java b/services/tests/servicestests/src/com/android/server/webkit/WebViewUpdateServiceTest.java
index dca09af..bf89cd0 100644
--- a/services/tests/servicestests/src/com/android/server/webkit/WebViewUpdateServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/webkit/WebViewUpdateServiceTest.java
@@ -19,15 +19,12 @@
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
 
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageInfo;
 import android.content.pm.Signature;
 import android.os.Build;
 import android.os.Bundle;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
 import android.test.suitebuilder.annotation.MediumTest;
 import android.util.Base64;
 import android.webkit.UserPackage;
@@ -35,17 +32,18 @@
 import android.webkit.WebViewProviderInfo;
 import android.webkit.WebViewProviderResponse;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
-
 import org.mockito.ArgumentMatcher;
-import org.mockito.Mockito;
 import org.mockito.Matchers;
+import org.mockito.Mockito;
 
 import java.lang.Integer;
 import java.util.concurrent.CountDownLatch;
 
-
 /**
  * Tests for WebViewUpdateService
  runtest --path frameworks/base/services/tests/servicestests/ \
diff --git a/services/tests/servicestests/src/com/android/server/wm/AnimatingAppWindowTokenRegistryTest.java b/services/tests/servicestests/src/com/android/server/wm/AnimatingAppWindowTokenRegistryTest.java
index 164c80b..b5fe8b1 100644
--- a/services/tests/servicestests/src/com/android/server/wm/AnimatingAppWindowTokenRegistryTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/AnimatingAppWindowTokenRegistryTest.java
@@ -18,27 +18,22 @@
 
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
-import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
-import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
+
 import static junit.framework.Assert.assertFalse;
 import static junit.framework.Assert.assertTrue;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNull;
-import static org.mockito.ArgumentMatchers.any;
+
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.verifyZeroInteractions;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 
-import com.android.server.wm.SurfaceAnimator.OnAnimationFinishedCallback;
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
diff --git a/services/tests/servicestests/src/com/android/server/wm/AppTransitionTests.java b/services/tests/servicestests/src/com/android/server/wm/AppTransitionTests.java
index be7d781..3053c41 100644
--- a/services/tests/servicestests/src/com/android/server/wm/AppTransitionTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/AppTransitionTests.java
@@ -20,13 +20,15 @@
 import static android.view.WindowManager.TRANSIT_CRASHING_ACTIVITY_CLOSE;
 import static android.view.WindowManager.TRANSIT_KEYGUARD_GOING_AWAY;
 import static android.view.WindowManager.TRANSIT_KEYGUARD_UNOCCLUDE;
+
 import static org.junit.Assert.assertEquals;
 
 import android.content.Context;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Rule;
diff --git a/services/tests/servicestests/src/com/android/server/wm/AppWindowContainerControllerTests.java b/services/tests/servicestests/src/com/android/server/wm/AppWindowContainerControllerTests.java
index e0645b1..fcd8a39e4 100644
--- a/services/tests/servicestests/src/com/android/server/wm/AppWindowContainerControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/AppWindowContainerControllerTests.java
@@ -16,26 +16,28 @@
 
 package com.android.server.wm;
 
-import android.support.test.filters.FlakyTest;
-import org.junit.Test;
-
-import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
 import static android.content.res.Configuration.EMPTY;
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.fail;
 
+import android.platform.test.annotations.Presubmit;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.wm.WindowTestUtils.TestTaskWindowContainerController;
 
+import org.junit.Test;
+
 /**
  * Test class for {@link AppWindowContainerController}.
  *
diff --git a/services/tests/servicestests/src/com/android/server/wm/AppWindowTokenTests.java b/services/tests/servicestests/src/com/android/server/wm/AppWindowTokenTests.java
index e8d8022..6d31dfb 100644
--- a/services/tests/servicestests/src/com/android/server/wm/AppWindowTokenTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/AppWindowTokenTests.java
@@ -16,16 +16,6 @@
 
 package com.android.server.wm;
 
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-import android.view.Surface;
-import android.view.WindowManager;
-
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_BEHIND;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
@@ -38,6 +28,7 @@
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
 import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
 import static android.view.WindowManager.TRANSIT_UNSET;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNull;
@@ -46,6 +37,17 @@
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.spy;
 
+import android.platform.test.annotations.Presubmit;
+import android.view.Surface;
+import android.view.WindowManager;
+
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 /**
  * Tests for the {@link AppWindowToken} class.
  *
diff --git a/services/tests/servicestests/src/com/android/server/wm/BoundsAnimationControllerTests.java b/services/tests/servicestests/src/com/android/server/wm/BoundsAnimationControllerTests.java
index 08b522c..12be0b3 100644
--- a/services/tests/servicestests/src/com/android/server/wm/BoundsAnimationControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/BoundsAnimationControllerTests.java
@@ -21,34 +21,31 @@
 import static com.android.server.wm.BoundsAnimationController.SCHEDULE_PIP_MODE_CHANGED_ON_START;
 import static com.android.server.wm.BoundsAnimationController.SchedulePipModeChangedState;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertSame;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
 import android.animation.ValueAnimator;
 import android.content.Context;
 import android.graphics.Rect;
 import android.os.Handler;
 import android.os.Looper;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.annotation.UiThreadTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.annotation.UiThreadTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.server.wm.BoundsAnimationController.BoundsAnimator;
 import com.android.server.wm.WindowManagerInternal.AppTransitionListener;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNotSame;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertSame;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
-
-import com.android.server.wm.BoundsAnimationController.BoundsAnimator;
-
 /**
  * Test class for {@link BoundsAnimationController} to ensure that it sends the right callbacks
  * depending on the various interactions.
diff --git a/services/tests/servicestests/src/com/android/server/wm/ConfigurationContainerTests.java b/services/tests/servicestests/src/com/android/server/wm/ConfigurationContainerTests.java
index 192e156..2b8214d 100644
--- a/services/tests/servicestests/src/com/android/server/wm/ConfigurationContainerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/ConfigurationContainerTests.java
@@ -28,13 +28,16 @@
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT;
 import static android.content.res.Configuration.EMPTY;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
 import android.content.res.Configuration;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
diff --git a/services/tests/servicestests/src/com/android/server/wm/DimmerTests.java b/services/tests/servicestests/src/com/android/server/wm/DimmerTests.java
index 6769e40..21555e3 100644
--- a/services/tests/servicestests/src/com/android/server/wm/DimmerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/DimmerTests.java
@@ -29,10 +29,11 @@
 
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.SurfaceControl;
 import android.view.SurfaceSession;
 
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/wm/DisplayContentTests.java b/services/tests/servicestests/src/com/android/server/wm/DisplayContentTests.java
index ef0e27b..cfef51c 100644
--- a/services/tests/servicestests/src/com/android/server/wm/DisplayContentTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/DisplayContentTests.java
@@ -30,6 +30,7 @@
 import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
 import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR;
 import static android.view.WindowManager.LayoutParams.TYPE_VOICE_INTERACTION;
+
 import static com.android.server.wm.WindowContainer.POSITION_TOP;
 
 import static org.hamcrest.Matchers.is;
@@ -42,25 +43,26 @@
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
 import android.annotation.SuppressLint;
 import android.content.res.Configuration;
 import android.graphics.Rect;
 import android.os.SystemClock;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.DisplayMetrics;
 import android.util.SparseIntArray;
 import android.view.DisplayCutout;
 import android.view.MotionEvent;
 import android.view.Surface;
 
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.wm.utils.WmDisplayCutout;
 
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
diff --git a/services/tests/servicestests/src/com/android/server/wm/DisplaySettingsTests.java b/services/tests/servicestests/src/com/android/server/wm/DisplaySettingsTests.java
index 0ea56ed..07eafa5 100644
--- a/services/tests/servicestests/src/com/android/server/wm/DisplaySettingsTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/DisplaySettingsTests.java
@@ -22,12 +22,13 @@
 
 import android.app.WindowConfiguration;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.Display;
 import android.view.DisplayInfo;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/wm/DragDropControllerTests.java b/services/tests/servicestests/src/com/android/server/wm/DragDropControllerTests.java
index a09656c..f383fda 100644
--- a/services/tests/servicestests/src/com/android/server/wm/DragDropControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/DragDropControllerTests.java
@@ -19,6 +19,7 @@
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
+
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 import static org.mockito.Mockito.any;
@@ -33,21 +34,25 @@
 import android.os.UserHandle;
 import android.os.UserManagerInternal;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.InputChannel;
 import android.view.SurfaceControl;
 import android.view.SurfaceSession;
 import android.view.View;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.annotations.GuardedBy;
 import com.android.server.LocalServices;
-import java.util.concurrent.CountDownLatch;
-import java.util.concurrent.TimeUnit;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
 /**
  * Tests for the {@link DragDropController} class.
  *
diff --git a/services/tests/servicestests/src/com/android/server/wm/PinnedStackControllerTest.java b/services/tests/servicestests/src/com/android/server/wm/PinnedStackControllerTest.java
index 96745fa..7222a99 100644
--- a/services/tests/servicestests/src/com/android/server/wm/PinnedStackControllerTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/PinnedStackControllerTest.java
@@ -2,18 +2,6 @@
 
 import static android.view.Display.DEFAULT_DISPLAY;
 
-import android.os.RemoteException;
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-import android.view.IPinnedStackListener;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
-
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.ArgumentMatchers.anyInt;
@@ -23,6 +11,19 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import android.os.RemoteException;
+import android.platform.test.annotations.Presubmit;
+import android.view.IPinnedStackListener;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
 @SmallTest
 @Presubmit
 @RunWith(AndroidJUnit4.class)
diff --git a/services/tests/servicestests/src/com/android/server/wm/RecentsAnimationControllerTest.java b/services/tests/servicestests/src/com/android/server/wm/RecentsAnimationControllerTest.java
index a2af9b8..e7c45d5 100644
--- a/services/tests/servicestests/src/com/android/server/wm/RecentsAnimationControllerTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/RecentsAnimationControllerTest.java
@@ -19,8 +19,10 @@
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.view.Display.DEFAULT_DISPLAY;
+
 import static com.android.server.wm.RecentsAnimationController.REORDER_KEEP_IN_PLACE;
 import static com.android.server.wm.RecentsAnimationController.REORDER_MOVE_TO_ORIGINAL_POSITION;
+
 import static org.junit.Assert.fail;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.atLeast;
@@ -31,11 +33,14 @@
 import android.os.Binder;
 import android.os.IInterface;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.IRecentsAnimationRunner;
 import android.view.SurfaceControl;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.wm.SurfaceAnimator.OnAnimationFinishedCallback;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/wm/RemoteAnimationControllerTest.java b/services/tests/servicestests/src/com/android/server/wm/RemoteAnimationControllerTest.java
index 95361f0..7d19baa 100644
--- a/services/tests/servicestests/src/com/android/server/wm/RemoteAnimationControllerTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/RemoteAnimationControllerTest.java
@@ -31,9 +31,6 @@
 import android.os.Binder;
 import android.os.IInterface;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.IRemoteAnimationFinishedCallback;
 import android.view.IRemoteAnimationRunner;
 import android.view.RemoteAnimationAdapter;
@@ -41,6 +38,9 @@
 import android.view.SurfaceControl;
 import android.view.SurfaceControl.Transaction;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.testutils.OffsettableClock;
 import com.android.server.testutils.TestHandler;
 import com.android.server.wm.SurfaceAnimator.OnAnimationFinishedCallback;
diff --git a/services/tests/servicestests/src/com/android/server/wm/RootWindowContainerTests.java b/services/tests/servicestests/src/com/android/server/wm/RootWindowContainerTests.java
index 204e26c..c1db6a6 100644
--- a/services/tests/servicestests/src/com/android/server/wm/RootWindowContainerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/RootWindowContainerTests.java
@@ -1,16 +1,16 @@
 package com.android.server.wm;
 
-import org.junit.Test;
-import org.junit.runner.RunWith;
+import static org.junit.Assert.assertTrue;
 
 import android.content.res.Configuration;
 import android.graphics.Rect;
-
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 
-import static org.junit.Assert.assertTrue;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
 
 /**
  * Tests for the {@link RootWindowContainer} class.
diff --git a/services/tests/servicestests/src/com/android/server/wm/ScreenDecorWindowTests.java b/services/tests/servicestests/src/com/android/server/wm/ScreenDecorWindowTests.java
index bfc99c8..60025f0 100644
--- a/services/tests/servicestests/src/com/android/server/wm/ScreenDecorWindowTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/ScreenDecorWindowTests.java
@@ -32,6 +32,7 @@
 import static android.view.WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
 import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_IS_SCREEN_DECOR;
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;
+
 import static org.junit.Assert.assertEquals;
 
 import android.app.Activity;
@@ -46,9 +47,6 @@
 import android.media.ImageReader;
 import android.os.Handler;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Pair;
 import android.view.Display;
 import android.view.DisplayInfo;
@@ -57,6 +55,10 @@
 import android.view.WindowManager;
 import android.widget.TextView;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.After;
 import org.junit.Assert;
 import org.junit.Before;
diff --git a/services/tests/servicestests/src/com/android/server/wm/StackWindowControllerTests.java b/services/tests/servicestests/src/com/android/server/wm/StackWindowControllerTests.java
index ab0a2bd..9f2645c 100644
--- a/services/tests/servicestests/src/com/android/server/wm/StackWindowControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/StackWindowControllerTests.java
@@ -16,20 +16,20 @@
 
 package com.android.server.wm;
 
-import android.graphics.Rect;
-import org.junit.Ignore;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
+import android.graphics.Rect;
+import android.platform.test.annotations.Presubmit;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 /**
  * Test class for {@link StackWindowController}.
  *
diff --git a/services/tests/servicestests/src/com/android/server/wm/SurfaceAnimationRunnerTest.java b/services/tests/servicestests/src/com/android/server/wm/SurfaceAnimationRunnerTest.java
index 79e9bb4..4551c36 100644
--- a/services/tests/servicestests/src/com/android/server/wm/SurfaceAnimationRunnerTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/SurfaceAnimationRunnerTest.java
@@ -16,7 +16,6 @@
 
 package com.android.server.wm;
 
-import static java.util.concurrent.TimeUnit.SECONDS;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
@@ -34,9 +33,6 @@
 import android.graphics.Point;
 import android.os.PowerManagerInternal;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.Choreographer;
 import android.view.Choreographer.FrameCallback;
 import android.view.SurfaceControl;
@@ -44,6 +40,10 @@
 import android.view.animation.Animation;
 import android.view.animation.TranslateAnimation;
 
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.wm.LocalAnimationAdapter.AnimationSpec;
 
 import org.junit.Before;
@@ -54,6 +54,8 @@
 import org.mockito.junit.MockitoJUnit;
 import org.mockito.junit.MockitoRule;
 
+import static java.util.concurrent.TimeUnit.SECONDS;
+
 import java.util.concurrent.CountDownLatch;
 
 /**
diff --git a/services/tests/servicestests/src/com/android/server/wm/SurfaceAnimatorTest.java b/services/tests/servicestests/src/com/android/server/wm/SurfaceAnimatorTest.java
index 16b8458..7b5e8de 100644
--- a/services/tests/servicestests/src/com/android/server/wm/SurfaceAnimatorTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/SurfaceAnimatorTest.java
@@ -28,14 +28,15 @@
 import static org.mockito.Mockito.verifyZeroInteractions;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.SurfaceControl;
 import android.view.SurfaceControl.Builder;
 import android.view.SurfaceControl.Transaction;
 import android.view.SurfaceSession;
 
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.wm.SurfaceAnimator.Animatable;
 import com.android.server.wm.SurfaceAnimator.OnAnimationFinishedCallback;
 
@@ -46,8 +47,6 @@
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
-import java.util.ArrayList;
-
 /**
  * Test class for {@link SurfaceAnimatorTest}.
  *
diff --git a/services/tests/servicestests/src/com/android/server/wm/TaskPositionerTests.java b/services/tests/servicestests/src/com/android/server/wm/TaskPositionerTests.java
index dc6bbbf..17b7fc1 100644
--- a/services/tests/servicestests/src/com/android/server/wm/TaskPositionerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/TaskPositionerTests.java
@@ -16,31 +16,32 @@
 
 package com.android.server.wm;
 
-import android.app.IActivityManager;
-import org.junit.Before;
-import org.junit.Ignore;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import android.app.IActivityTaskManager;
-import android.graphics.Rect;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-import android.util.DisplayMetrics;
-import android.util.Log;
-import android.view.Display;
-import org.mockito.Mockito;
-
 import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
 import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
+
 import static com.android.server.wm.TaskPositioner.MIN_ASPECT;
 import static com.android.server.wm.WindowManagerService.dipToPixel;
 import static com.android.server.wm.WindowState.MINIMUM_VISIBLE_HEIGHT_IN_DP;
 import static com.android.server.wm.WindowState.MINIMUM_VISIBLE_WIDTH_IN_DP;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
+import android.app.IActivityTaskManager;
+import android.graphics.Rect;
+import android.util.DisplayMetrics;
+import android.util.Log;
+import android.view.Display;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mockito;
+
 /**
  * Tests for the {@link TaskPositioner} class.
  *
diff --git a/services/tests/servicestests/src/com/android/server/wm/TaskPositioningControllerTests.java b/services/tests/servicestests/src/com/android/server/wm/TaskPositioningControllerTests.java
index 6070516..ced0847 100644
--- a/services/tests/servicestests/src/com/android/server/wm/TaskPositioningControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/TaskPositioningControllerTests.java
@@ -17,6 +17,7 @@
 package com.android.server.wm;
 
 import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
+
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
@@ -27,9 +28,11 @@
 import static org.mockito.Mockito.when;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.InputChannel;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotCacheTest.java b/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotCacheTest.java
index 649de4a..c9d8004 100644
--- a/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotCacheTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotCacheTest.java
@@ -17,12 +17,14 @@
 package com.android.server.wm;
 
 import static android.view.WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW;
+
 import static junit.framework.Assert.assertNotNull;
 import static junit.framework.Assert.assertNull;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotControllerTest.java b/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotControllerTest.java
index 5650050..efce063 100644
--- a/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotControllerTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotControllerTest.java
@@ -19,17 +19,19 @@
 import static android.view.WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW;
 import static android.view.WindowManager.LayoutParams.FLAG_SECURE;
 import static android.view.WindowManager.TRANSIT_UNSET;
+
 import static com.android.server.wm.TaskSnapshotController.*;
+
 import static junit.framework.Assert.assertEquals;
-import static junit.framework.Assert.assertFalse;
-import static junit.framework.Assert.assertTrue;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.ArraySet;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.google.android.collect.Sets;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
diff --git a/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotPersisterLoaderTest.java b/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotPersisterLoaderTest.java
index 325d42a..600b2e5 100644
--- a/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotPersisterLoaderTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotPersisterLoaderTest.java
@@ -18,23 +18,24 @@
 
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
 
 import android.app.ActivityManager.TaskSnapshot;
 import android.content.res.Configuration;
 import android.graphics.Rect;
 import android.os.SystemClock;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.MediumTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.ArraySet;
-
 import android.view.View;
+
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.wm.TaskSnapshotPersister.RemoveObsoleteFilesQueueItem;
 
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotPersisterTestBase.java b/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotPersisterTestBase.java
index 8b86043..6f4f173 100644
--- a/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotPersisterTestBase.java
+++ b/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotPersisterTestBase.java
@@ -28,7 +28,8 @@
 import android.graphics.PixelFormat;
 import android.graphics.Rect;
 import android.os.UserManager;
-import android.support.test.InstrumentationRegistry;
+
+import androidx.test.InstrumentationRegistry;
 
 import org.junit.After;
 import org.junit.Before;
diff --git a/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotSurfaceTest.java b/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotSurfaceTest.java
index 21402ce..91074b9 100644
--- a/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotSurfaceTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/TaskSnapshotSurfaceTest.java
@@ -19,6 +19,7 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.content.res.Configuration.ORIENTATION_PORTRAIT;
 import static android.view.WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS;
+
 import static org.junit.Assert.assertEquals;
 import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyInt;
@@ -35,10 +36,11 @@
 import android.graphics.PixelFormat;
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.Surface;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.server.wm.TaskSnapshotSurface.Window;
 
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/wm/TaskStackContainersTests.java b/services/tests/servicestests/src/com/android/server/wm/TaskStackContainersTests.java
index ca1994f..9fa5ba4 100644
--- a/services/tests/servicestests/src/com/android/server/wm/TaskStackContainersTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/TaskStackContainersTests.java
@@ -18,20 +18,20 @@
 
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
+import android.platform.test.annotations.Presubmit;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.After;
+import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.Before;
-import org.junit.After;
-
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 
 /**
  * Tests for the {@link DisplayContent.TaskStackContainers} container in {@link DisplayContent}.
diff --git a/services/tests/servicestests/src/com/android/server/wm/TaskStackTests.java b/services/tests/servicestests/src/com/android/server/wm/TaskStackTests.java
index eaf71f0..53a1185 100644
--- a/services/tests/servicestests/src/com/android/server/wm/TaskStackTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/TaskStackTests.java
@@ -16,21 +16,19 @@
 
 package com.android.server.wm;
 
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
+
+import android.platform.test.annotations.Presubmit;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
 
 /**
  * Tests for the {@link TaskStack} class.
diff --git a/services/tests/servicestests/src/com/android/server/wm/TaskWindowContainerControllerTests.java b/services/tests/servicestests/src/com/android/server/wm/TaskWindowContainerControllerTests.java
index 1dd9365..edd7664 100644
--- a/services/tests/servicestests/src/com/android/server/wm/TaskWindowContainerControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/TaskWindowContainerControllerTests.java
@@ -16,17 +16,19 @@
 
 package com.android.server.wm;
 
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
+import android.platform.test.annotations.Presubmit;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 /**
  * Test class for {@link TaskWindowContainerController}.
  *
diff --git a/services/tests/servicestests/src/com/android/server/wm/UnknownAppVisibilityControllerTest.java b/services/tests/servicestests/src/com/android/server/wm/UnknownAppVisibilityControllerTest.java
index a5c47de..3ac97027 100644
--- a/services/tests/servicestests/src/com/android/server/wm/UnknownAppVisibilityControllerTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/UnknownAppVisibilityControllerTest.java
@@ -19,8 +19,9 @@
 import static junit.framework.Assert.assertTrue;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/wm/WallpaperControllerTests.java b/services/tests/servicestests/src/com/android/server/wm/WallpaperControllerTests.java
index 71ead20..882e789 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WallpaperControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WallpaperControllerTests.java
@@ -11,8 +11,9 @@
 import android.graphics.Bitmap;
 import android.os.IBinder;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowAnimationSpecTest.java b/services/tests/servicestests/src/com/android/server/wm/WindowAnimationSpecTest.java
index 9dc0025..827d938 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowAnimationSpecTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowAnimationSpecTest.java
@@ -28,12 +28,13 @@
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.SurfaceControl;
 import android.view.animation.Animation;
 import android.view.animation.ClipRectAnimation;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowConfigurationTests.java b/services/tests/servicestests/src/com/android/server/wm/WindowConfigurationTests.java
index 10d7aad..e7cc285 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowConfigurationTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowConfigurationTests.java
@@ -16,17 +16,6 @@
 
 package com.android.server.wm;
 
-import org.junit.Test;
-
-import android.app.WindowConfiguration;
-import android.content.res.Configuration;
-import android.graphics.Rect;
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-import android.view.DisplayInfo;
-
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME;
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
@@ -35,9 +24,21 @@
 import static android.app.WindowConfiguration.WINDOW_CONFIG_APP_BOUNDS;
 import static android.app.WindowConfiguration.WINDOW_CONFIG_WINDOWING_MODE;
 import static android.content.pm.ActivityInfo.CONFIG_WINDOW_CONFIGURATION;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotEquals;
-import static org.junit.Assert.assertTrue;
+
+import android.app.WindowConfiguration;
+import android.content.res.Configuration;
+import android.graphics.Rect;
+import android.platform.test.annotations.Presubmit;
+import android.view.DisplayInfo;
+
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
 
 /**
  * Test class to for {@link android.app.WindowConfiguration}.
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowContainerControllerTests.java b/services/tests/servicestests/src/com/android/server/wm/WindowContainerControllerTests.java
index 502cb6e..6b1feb8 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowContainerControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowContainerControllerTests.java
@@ -16,21 +16,22 @@
 
 package com.android.server.wm;
 
-import android.app.WindowConfiguration;
-import android.content.res.Configuration;
-import android.support.test.filters.FlakyTest;
-import org.junit.Test;
-
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
 import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
 import static android.content.res.Configuration.EMPTY;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
+import android.content.res.Configuration;
+import android.platform.test.annotations.Presubmit;
+
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+
 /**
  * Test class for {@link WindowContainerController}.
  *
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowContainerTests.java b/services/tests/servicestests/src/com/android/server/wm/WindowContainerTests.java
index f8b2828..dc763b9 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowContainerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowContainerTests.java
@@ -16,20 +16,6 @@
 
 package com.android.server.wm;
 
-import android.support.test.filters.FlakyTest;
-import android.view.SurfaceControl;
-import android.view.SurfaceSession;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import android.content.res.Configuration;
-import android.graphics.Rect;
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
-import java.util.Comparator;
-
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_BEHIND;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
@@ -44,7 +30,6 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
-
 import static org.mockito.Mockito.any;
 import static org.mockito.Mockito.anyFloat;
 import static org.mockito.Mockito.eq;
@@ -53,6 +38,21 @@
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 
+import android.content.res.Configuration;
+import android.graphics.Rect;
+import android.platform.test.annotations.Presubmit;
+import android.view.SurfaceControl;
+import android.view.SurfaceSession;
+
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.Comparator;
+
 /**
  * Test class for {@link WindowContainer}.
  *
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowContainerTraversalTests.java b/services/tests/servicestests/src/com/android/server/wm/WindowContainerTraversalTests.java
index e076399..ffc8622 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowContainerTraversalTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowContainerTraversalTests.java
@@ -20,19 +20,19 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY;
 import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_SECONDARY;
 import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
+
+import static org.mockito.Matchers.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
-import static org.mockito.Matchers.eq;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import org.mockito.Mock;
-
 import java.util.function.Consumer;
 
 /**
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowFrameTests.java b/services/tests/servicestests/src/com/android/server/wm/WindowFrameTests.java
index 431d1a7..ea3a3d0 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowFrameTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowFrameTests.java
@@ -16,29 +16,31 @@
 
 package com.android.server.wm;
 
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
+import static android.view.DisplayCutout.fromBoundingRect;
+import static android.view.WindowManager.LayoutParams.FILL_PARENT;
+import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 
 import android.app.ActivityManager.TaskDescription;
 import android.content.res.Configuration;
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.DisplayInfo;
 import android.view.Gravity;
 import android.view.IWindow;
 import android.view.WindowManager;
 
-import static android.view.DisplayCutout.fromBoundingRect;
-import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION;
-import static android.view.WindowManager.LayoutParams.FILL_PARENT;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.wm.utils.WmDisplayCutout;
 
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 /**
  * Tests for the {@link WindowState#computeFrameLw} method and other window frame machinery.
  *
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowManagerServiceRule.java b/services/tests/servicestests/src/com/android/server/wm/WindowManagerServiceRule.java
index d13c3c9..6664756 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowManagerServiceRule.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowManagerServiceRule.java
@@ -33,9 +33,10 @@
 import android.hardware.display.DisplayManagerInternal;
 import android.os.PowerManagerInternal;
 import android.os.PowerSaveState;
-import android.support.test.InstrumentationRegistry;
 import android.view.InputChannel;
 
+import androidx.test.InstrumentationRegistry;
+
 import com.android.server.LocalServices;
 import com.android.server.input.InputManagerService;
 import com.android.server.policy.WindowManagerPolicy;
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowManagerServiceRuleTest.java b/services/tests/servicestests/src/com/android/server/wm/WindowManagerServiceRuleTest.java
index 6cf6d7b..570a853 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowManagerServiceRuleTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowManagerServiceRuleTest.java
@@ -20,8 +20,9 @@
 import static org.junit.Assert.assertThat;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Rule;
 import org.junit.Test;
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowStateTests.java b/services/tests/servicestests/src/com/android/server/wm/WindowStateTests.java
index 0ddba6a..645015f 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowStateTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowStateTests.java
@@ -16,19 +16,6 @@
 
 package com.android.server.wm;
 
-import android.graphics.Rect;
-import android.view.SurfaceControl;
-import android.view.WindowManager;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
-import java.util.LinkedList;
-
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.hardware.camera2.params.OutputConfiguration.ROTATION_90;
@@ -52,7 +39,6 @@
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
-import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyLong;
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.mock;
@@ -61,6 +47,20 @@
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 
+import android.graphics.Rect;
+import android.platform.test.annotations.Presubmit;
+import android.view.SurfaceControl;
+import android.view.WindowManager;
+
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.LinkedList;
+
 /**
  * Tests for the {@link WindowState} class.
  *
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowSurfacePlacerTest.java b/services/tests/servicestests/src/com/android/server/wm/WindowSurfacePlacerTest.java
index e173b7d..057f047 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowSurfacePlacerTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowSurfacePlacerTest.java
@@ -20,13 +20,15 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.view.WindowManager.TRANSIT_TASK_CLOSE;
 import static android.view.WindowManager.TRANSIT_TASK_OPEN;
+
 import static junit.framework.Assert.assertEquals;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.WindowManager;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowTestsBase.java b/services/tests/servicestests/src/com/android/server/wm/WindowTestsBase.java
index ef019fe..d128363 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowTestsBase.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowTestsBase.java
@@ -16,30 +16,12 @@
 
 package com.android.server.wm;
 
+import static android.app.AppOpsManager.OP_NONE;
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.view.Display.DEFAULT_DISPLAY;
-import static android.view.View.VISIBLE;
-
-import android.content.res.Configuration;
-import android.graphics.Rect;
-import android.hardware.display.DisplayManagerGlobal;
-import android.testing.DexmakerShareClassLoaderRule;
-import android.util.Log;
-import android.view.Display;
-import android.view.DisplayInfo;
-import org.junit.Assert;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Rule;
-
-import android.content.Context;
-import android.support.test.InstrumentationRegistry;
-import android.view.IWindow;
-import android.view.WindowManager;
-
-import static android.app.AppOpsManager.OP_NONE;
 import static android.view.DisplayAdjustments.DEFAULT_DISPLAY_ADJUSTMENTS;
+import static android.view.View.VISIBLE;
 import static android.view.WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW;
 import static android.view.WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE;
 import static android.view.WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
@@ -52,10 +34,29 @@
 import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR;
 import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR;
 import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER;
+
 import static org.mockito.Mockito.mock;
 
+import android.content.Context;
+import android.content.res.Configuration;
+import android.graphics.Rect;
+import android.hardware.display.DisplayManagerGlobal;
+import android.testing.DexmakerShareClassLoaderRule;
+import android.util.Log;
+import android.view.Display;
+import android.view.DisplayInfo;
+import android.view.IWindow;
+import android.view.WindowManager;
+
+import androidx.test.InstrumentationRegistry;
+
 import com.android.server.AttributeCache;
 
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Rule;
+
 import java.util.HashSet;
 import java.util.LinkedList;
 
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowTokenTests.java b/services/tests/servicestests/src/com/android/server/wm/WindowTokenTests.java
index e3b7174..3732486 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowTokenTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowTokenTests.java
@@ -16,23 +16,24 @@
 
 package com.android.server.wm;
 
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
 import static android.view.WindowManager.LayoutParams.FIRST_SUB_WINDOW;
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION;
 import static android.view.WindowManager.LayoutParams.TYPE_TOAST;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
-import static org.mockito.Mockito.mock;
+
+import android.platform.test.annotations.Presubmit;
+
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
 
 /**
  * Tests for the {@link WindowToken} class.
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowTracingTest.java b/services/tests/servicestests/src/com/android/server/wm/WindowTracingTest.java
index 5085254..bbc6550 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowTracingTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowTracingTest.java
@@ -29,12 +29,13 @@
 
 import android.content.Context;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.filters.FlakyTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.proto.ProtoOutputStream;
 
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import com.android.internal.util.Preconditions;
 import com.android.server.wm.WindowManagerTraceProto;
 
diff --git a/services/tests/servicestests/src/com/android/server/wm/ZOrderingTests.java b/services/tests/servicestests/src/com/android/server/wm/ZOrderingTests.java
index 547be55..8f9fb1b 100644
--- a/services/tests/servicestests/src/com/android/server/wm/ZOrderingTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/ZOrderingTests.java
@@ -27,19 +27,19 @@
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_MEDIA;
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_MEDIA_OVERLAY;
 import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
-import static android.view.WindowManager.LayoutParams.TYPE_DOCK_DIVIDER;
 import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL;
 import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR_PANEL;
 import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR_SUB_PANEL;
 import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_OVERLAY;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.filters.FlakyTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.view.SurfaceControl;
 import android.view.SurfaceSession;
 
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.After;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/wm/utils/InsetUtilsTest.java b/services/tests/servicestests/src/com/android/server/wm/utils/InsetUtilsTest.java
index d0f0fe3..75b4d2f 100644
--- a/services/tests/servicestests/src/com/android/server/wm/utils/InsetUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/utils/InsetUtilsTest.java
@@ -20,9 +20,9 @@
 
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-import android.util.Pair;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/wm/utils/RotationCacheTest.java b/services/tests/servicestests/src/com/android/server/wm/utils/RotationCacheTest.java
index 6bbc7eb..5d08920 100644
--- a/services/tests/servicestests/src/com/android/server/wm/utils/RotationCacheTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/utils/RotationCacheTest.java
@@ -24,14 +24,12 @@
 import static org.junit.Assert.assertThat;
 
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.FlakyTest;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Pair;
 
-import com.android.server.wm.utils.RotationCache.RotationDependentComputation;
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
-import org.hamcrest.Matchers;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/services/tests/servicestests/src/com/android/server/wm/utils/WmDisplayCutoutTest.java b/services/tests/servicestests/src/com/android/server/wm/utils/WmDisplayCutoutTest.java
index f7addf6..9ce3dca 100644
--- a/services/tests/servicestests/src/com/android/server/wm/utils/WmDisplayCutoutTest.java
+++ b/services/tests/servicestests/src/com/android/server/wm/utils/WmDisplayCutoutTest.java
@@ -25,11 +25,12 @@
 
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.util.Size;
 import android.view.DisplayCutout;
 
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;