Update ActivityManager DeviceConfig flag definitions.

1. Remove the interface from DeviceConfig.
2. Add a string constant for the namespace to DeviceConfig, including
them in the System API.
3. Add string constants for flag names to ActivityManagerConstants, and
AppCompactor. (These are removed from the System API).

Bug: 126411407
Test: atest AppCompactorTest
      atest FrameworksCoreTests:DeviceConfigTest

Change-Id: I3167a4267e2ea0277f19f7d5211ab92e2b1f6285
diff --git a/services/core/java/com/android/server/am/ActivityManagerConstants.java b/services/core/java/com/android/server/am/ActivityManagerConstants.java
index de41152..415a892 100644
--- a/services/core/java/com/android/server/am/ActivityManagerConstants.java
+++ b/services/core/java/com/android/server/am/ActivityManagerConstants.java
@@ -16,8 +16,6 @@
 
 package com.android.server.am;
 
-import static android.provider.DeviceConfig.ActivityManager.KEY_MAX_CACHED_PROCESSES;
-
 import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_POWER_QUICK;
 
 import android.app.ActivityThread;
@@ -105,6 +103,12 @@
     private static final long DEFAULT_MEMORY_INFO_THROTTLE_TIME = 5*60*1000;
     private static final long DEFAULT_TOP_TO_FGS_GRACE_DURATION = 15 * 1000;
 
+    // Flag stored in the DeviceConfig API.
+    /**
+     * Maximum number of cached processes.
+     */
+    private static final String KEY_MAX_CACHED_PROCESSES = "max_cached_processes";
+
     // Maximum number of cached processes we will allow.
     public int MAX_CACHED_PROCESSES = DEFAULT_MAX_CACHED_PROCESSES;
 
@@ -292,7 +296,7 @@
         updateConstants();
         updateActivityStartsLoggingEnabled();
         updateBackgroundActivityStartsEnabled();
-        DeviceConfig.addOnPropertyChangedListener(DeviceConfig.ActivityManager.NAMESPACE,
+        DeviceConfig.addOnPropertyChangedListener(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
                 ActivityThread.currentApplication().getMainExecutor(),
                 mOnDeviceConfigChangedListener);
         updateMaxCachedProcesses();
@@ -412,7 +416,7 @@
 
     private void updateMaxCachedProcesses() {
         String maxCachedProcessesFlag = DeviceConfig.getProperty(
-                DeviceConfig.ActivityManager.NAMESPACE, KEY_MAX_CACHED_PROCESSES);
+                DeviceConfig.NAMESPACE_ACTIVITY_MANAGER, KEY_MAX_CACHED_PROCESSES);
         try {
             CUR_MAX_CACHED_PROCESSES = mOverrideMaxCachedProcesses < 0
                     ? (TextUtils.isEmpty(maxCachedProcessesFlag)
diff --git a/services/core/java/com/android/server/am/AppCompactor.java b/services/core/java/com/android/server/am/AppCompactor.java
index 17ffd9c..1f21160 100644
--- a/services/core/java/com/android/server/am/AppCompactor.java
+++ b/services/core/java/com/android/server/am/AppCompactor.java
@@ -17,14 +17,6 @@
 package com.android.server.am;
 
 import static android.os.Process.THREAD_PRIORITY_FOREGROUND;
-import static android.provider.DeviceConfig.ActivityManager.KEY_COMPACT_ACTION_1;
-import static android.provider.DeviceConfig.ActivityManager.KEY_COMPACT_ACTION_2;
-import static android.provider.DeviceConfig.ActivityManager.KEY_COMPACT_STATSD_SAMPLE_RATE;
-import static android.provider.DeviceConfig.ActivityManager.KEY_COMPACT_THROTTLE_1;
-import static android.provider.DeviceConfig.ActivityManager.KEY_COMPACT_THROTTLE_2;
-import static android.provider.DeviceConfig.ActivityManager.KEY_COMPACT_THROTTLE_3;
-import static android.provider.DeviceConfig.ActivityManager.KEY_COMPACT_THROTTLE_4;
-import static android.provider.DeviceConfig.ActivityManager.KEY_USE_COMPACTION;
 
 import android.app.ActivityManager;
 import android.app.ActivityThread;
@@ -51,6 +43,17 @@
 
 public final class AppCompactor {
 
+    // Flags stored in the DeviceConfig API.
+    @VisibleForTesting static final String KEY_USE_COMPACTION = "use_compaction";
+    @VisibleForTesting static final String KEY_COMPACT_ACTION_1 = "compact_action_1";
+    @VisibleForTesting static final String KEY_COMPACT_ACTION_2 = "compact_action_2";
+    @VisibleForTesting static final String KEY_COMPACT_THROTTLE_1 = "compact_throttle_1";
+    @VisibleForTesting static final String KEY_COMPACT_THROTTLE_2 = "compact_throttle_2";
+    @VisibleForTesting static final String KEY_COMPACT_THROTTLE_3 = "compact_throttle_3";
+    @VisibleForTesting static final String KEY_COMPACT_THROTTLE_4 = "compact_throttle_4";
+    @VisibleForTesting static final String KEY_COMPACT_STATSD_SAMPLE_RATE =
+            "compact_statsd_sample_rate";
+
     // Phenotype sends int configurations and we map them to the strings we'll use on device,
     // preventing a weird string value entering the kernel.
     private static final int COMPACT_ACTION_FILE_FLAG = 1;
@@ -165,7 +168,7 @@
      * starts the background thread if necessary.
      */
     public void init() {
-        DeviceConfig.addOnPropertyChangedListener(DeviceConfig.ActivityManager.NAMESPACE,
+        DeviceConfig.addOnPropertyChangedListener(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
                 ActivityThread.currentApplication().getMainExecutor(), mOnFlagsChangedListener);
         synchronized (mPhenotypeFlagLock) {
             updateUseCompaction();
@@ -228,7 +231,7 @@
     @GuardedBy("mPhenotypeFlagLock")
     private void updateUseCompaction() {
         String useCompactionFlag =
-                DeviceConfig.getProperty(DeviceConfig.ActivityManager.NAMESPACE,
+                DeviceConfig.getProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
                     KEY_USE_COMPACTION);
         mUseCompaction = TextUtils.isEmpty(useCompactionFlag)
                 ? DEFAULT_USE_COMPACTION : Boolean.parseBoolean(useCompactionFlag);
@@ -241,10 +244,10 @@
     @GuardedBy("mPhenotypeFlagLock")
     private void updateCompactionActions() {
         String compactAction1Flag =
-                DeviceConfig.getProperty(DeviceConfig.ActivityManager.NAMESPACE,
+                DeviceConfig.getProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
                         KEY_COMPACT_ACTION_1);
         String compactAction2Flag =
-                DeviceConfig.getProperty(DeviceConfig.ActivityManager.NAMESPACE,
+                DeviceConfig.getProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
                         KEY_COMPACT_ACTION_2);
 
         int compactAction1 = DEFAULT_COMPACT_ACTION_1;
@@ -271,16 +274,16 @@
     private void updateCompactionThrottles() {
         boolean useThrottleDefaults = false;
         String throttleSomeSomeFlag =
-                DeviceConfig.getProperty(DeviceConfig.ActivityManager.NAMESPACE,
+                DeviceConfig.getProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
                     KEY_COMPACT_THROTTLE_1);
         String throttleSomeFullFlag =
-                DeviceConfig.getProperty(DeviceConfig.ActivityManager.NAMESPACE,
+                DeviceConfig.getProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
                     KEY_COMPACT_THROTTLE_2);
         String throttleFullSomeFlag =
-                DeviceConfig.getProperty(DeviceConfig.ActivityManager.NAMESPACE,
+                DeviceConfig.getProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
                     KEY_COMPACT_THROTTLE_3);
         String throttleFullFullFlag =
-                DeviceConfig.getProperty(DeviceConfig.ActivityManager.NAMESPACE,
+                DeviceConfig.getProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
                     KEY_COMPACT_THROTTLE_4);
 
         if (TextUtils.isEmpty(throttleSomeSomeFlag) || TextUtils.isEmpty(throttleSomeFullFlag)
@@ -309,7 +312,7 @@
 
     @GuardedBy("mPhenotypeFlagLock")
     private void updateStatsdSampleRate() {
-        String sampleRateFlag = DeviceConfig.getProperty(DeviceConfig.ActivityManager.NAMESPACE,
+        String sampleRateFlag = DeviceConfig.getProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
                 KEY_COMPACT_STATSD_SAMPLE_RATE);
         try {
             mStatsdSampleRate = TextUtils.isEmpty(sampleRateFlag)
diff --git a/services/tests/mockingservicestests/src/com/android/server/am/AppCompactorTest.java b/services/tests/mockingservicestests/src/com/android/server/am/AppCompactorTest.java
index d32f1f7..e100d16 100644
--- a/services/tests/mockingservicestests/src/com/android/server/am/AppCompactorTest.java
+++ b/services/tests/mockingservicestests/src/com/android/server/am/AppCompactorTest.java
@@ -16,15 +16,6 @@
 
 package com.android.server.am;
 
-import static android.provider.DeviceConfig.ActivityManager.KEY_COMPACT_ACTION_1;
-import static android.provider.DeviceConfig.ActivityManager.KEY_COMPACT_ACTION_2;
-import static android.provider.DeviceConfig.ActivityManager.KEY_COMPACT_STATSD_SAMPLE_RATE;
-import static android.provider.DeviceConfig.ActivityManager.KEY_COMPACT_THROTTLE_1;
-import static android.provider.DeviceConfig.ActivityManager.KEY_COMPACT_THROTTLE_2;
-import static android.provider.DeviceConfig.ActivityManager.KEY_COMPACT_THROTTLE_3;
-import static android.provider.DeviceConfig.ActivityManager.KEY_COMPACT_THROTTLE_4;
-import static android.provider.DeviceConfig.ActivityManager.KEY_USE_COMPACTION;
-
 import static com.android.server.am.ActivityManagerService.Injector;
 import static com.android.server.am.AppCompactor.compactActionIntToString;
 
@@ -117,28 +108,28 @@
         // When the DeviceConfig already has a flag value stored (note this test will need to
         // change if the default value changes from false).
         assertThat(AppCompactor.DEFAULT_USE_COMPACTION).isFalse();
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_USE_COMPACTION, "true", false);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_ACTION_1,
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_USE_COMPACTION, "true", false);
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_ACTION_1,
                 Integer.toString((AppCompactor.DEFAULT_COMPACT_ACTION_1 + 1 % 4) + 1), false);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_ACTION_2,
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_ACTION_2,
                 Integer.toString((AppCompactor.DEFAULT_COMPACT_ACTION_2 + 1 % 4) + 1), false);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_THROTTLE_1,
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_THROTTLE_1,
                 Long.toString(AppCompactor.DEFAULT_COMPACT_THROTTLE_1 + 1), false);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_THROTTLE_2,
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_THROTTLE_2,
                 Long.toString(AppCompactor.DEFAULT_COMPACT_THROTTLE_2 + 1), false);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_THROTTLE_3,
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_THROTTLE_3,
                 Long.toString(AppCompactor.DEFAULT_COMPACT_THROTTLE_3 + 1), false);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_THROTTLE_4,
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_THROTTLE_4,
                 Long.toString(AppCompactor.DEFAULT_COMPACT_THROTTLE_4 + 1), false);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_STATSD_SAMPLE_RATE,
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_STATSD_SAMPLE_RATE,
                 Float.toString(AppCompactor.DEFAULT_STATSD_SAMPLE_RATE + 0.1f), false);
 
         // Then calling init will read and set that flag.
@@ -169,8 +160,8 @@
         // When we call init and change some the flag value...
         mCompactorUnderTest.init();
         mCountDown = new CountDownLatch(1);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_USE_COMPACTION, "true", false);
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_USE_COMPACTION, "true", false);
         assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue();
 
         // Then that new flag value is updated in the implementation.
@@ -179,8 +170,8 @@
 
         // And again, setting the flag the other way.
         mCountDown = new CountDownLatch(1);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_USE_COMPACTION, "false", false);
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_USE_COMPACTION, "false", false);
         assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue();
         assertThat(mCompactorUnderTest.useCompaction()).isFalse();
     }
@@ -193,8 +184,8 @@
 
         // When we push an invalid flag value...
         mCountDown = new CountDownLatch(1);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_USE_COMPACTION, "foobar", false);
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_USE_COMPACTION, "foobar", false);
         assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue();
 
         // Then we set the default.
@@ -212,11 +203,11 @@
         for (int i = 1; i < 5; i++) {
             mCountDown = new CountDownLatch(2);
             int expectedSome = (AppCompactor.DEFAULT_COMPACT_ACTION_1 + i) % 4 + 1;
-            DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                    KEY_COMPACT_ACTION_1, Integer.toString(expectedSome), false);
+            DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                    AppCompactor.KEY_COMPACT_ACTION_1, Integer.toString(expectedSome), false);
             int expectedFull = (AppCompactor.DEFAULT_COMPACT_ACTION_2 + i) % 4 + 1;
-            DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                    KEY_COMPACT_ACTION_2, Integer.toString(expectedFull), false);
+            DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                    AppCompactor.KEY_COMPACT_ACTION_2, Integer.toString(expectedFull), false);
             assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue();
 
             // Then the updates are reflected in the flags.
@@ -233,10 +224,10 @@
 
         // When we override new values for the compaction action with bad values ...
         mCountDown = new CountDownLatch(2);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_ACTION_1, "foo", false);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_ACTION_2, "foo", false);
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_ACTION_1, "foo", false);
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_ACTION_2, "foo", false);
         assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue();
 
         // Then the default values are reflected in the flag
@@ -246,10 +237,10 @@
                 compactActionIntToString(AppCompactor.DEFAULT_COMPACT_ACTION_2));
 
         mCountDown = new CountDownLatch(2);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_ACTION_1, "", false);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_ACTION_2, "", false);
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_ACTION_1, "", false);
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_ACTION_2, "", false);
         assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue();
 
         assertThat(mCompactorUnderTest.mCompactActionSome).isEqualTo(
@@ -264,17 +255,17 @@
 
         // When we override new reasonable throttle values after init...
         mCountDown = new CountDownLatch(4);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_THROTTLE_1,
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_THROTTLE_1,
                 Long.toString(AppCompactor.DEFAULT_COMPACT_THROTTLE_1 + 1), false);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_THROTTLE_2,
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_THROTTLE_2,
                 Long.toString(AppCompactor.DEFAULT_COMPACT_THROTTLE_2 + 1), false);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_THROTTLE_3,
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_THROTTLE_3,
                 Long.toString(AppCompactor.DEFAULT_COMPACT_THROTTLE_3 + 1), false);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_THROTTLE_4,
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_THROTTLE_4,
                 Long.toString(AppCompactor.DEFAULT_COMPACT_THROTTLE_4 + 1), false);
         assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue();
 
@@ -296,8 +287,8 @@
 
         // When one of the throttles is overridden with a bad value...
         mCountDown = new CountDownLatch(1);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_THROTTLE_1, "foo", false);
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_THROTTLE_1, "foo", false);
         // Then all the throttles have the defaults set.
         assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue();
         assertThat(mCompactorUnderTest.mCompactThrottleSomeSome).isEqualTo(
@@ -311,8 +302,8 @@
 
         // Repeat for each of the throttle keys.
         mCountDown = new CountDownLatch(1);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_THROTTLE_2, "foo", false);
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_THROTTLE_2, "foo", false);
         assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue();
         assertThat(mCompactorUnderTest.mCompactThrottleSomeSome).isEqualTo(
                 AppCompactor.DEFAULT_COMPACT_THROTTLE_1);
@@ -324,8 +315,8 @@
                 AppCompactor.DEFAULT_COMPACT_THROTTLE_4);
 
         mCountDown = new CountDownLatch(1);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_THROTTLE_3, "foo", false);
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_THROTTLE_3, "foo", false);
         assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue();
         assertThat(mCompactorUnderTest.mCompactThrottleSomeSome).isEqualTo(
                 AppCompactor.DEFAULT_COMPACT_THROTTLE_1);
@@ -337,8 +328,8 @@
                 AppCompactor.DEFAULT_COMPACT_THROTTLE_4);
 
         mCountDown = new CountDownLatch(1);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_THROTTLE_4, "foo", false);
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_THROTTLE_4, "foo", false);
         assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue();
         assertThat(mCompactorUnderTest.mCompactThrottleSomeSome).isEqualTo(
                 AppCompactor.DEFAULT_COMPACT_THROTTLE_1);
@@ -356,8 +347,8 @@
 
         // When we override mStatsdSampleRate with a reasonable values ...
         mCountDown = new CountDownLatch(1);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_STATSD_SAMPLE_RATE,
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_STATSD_SAMPLE_RATE,
                 Float.toString(AppCompactor.DEFAULT_STATSD_SAMPLE_RATE + 0.1f), false);
         assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue();
 
@@ -373,8 +364,8 @@
 
         // When we override mStatsdSampleRate with a reasonable values ...
         mCountDown = new CountDownLatch(1);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_STATSD_SAMPLE_RATE, "foo", false);
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_STATSD_SAMPLE_RATE, "foo", false);
         assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue();
 
         // Then that override is reflected in the compactor.
@@ -389,8 +380,8 @@
 
         // When we override mStatsdSampleRate with an value outside of [0..1]...
         mCountDown = new CountDownLatch(1);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_STATSD_SAMPLE_RATE,
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_STATSD_SAMPLE_RATE,
                 Float.toString(-1.0f), false);
         assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue();
 
@@ -398,8 +389,8 @@
         assertThat(mCompactorUnderTest.mStatsdSampleRate).isEqualTo(0.0f);
 
         mCountDown = new CountDownLatch(1);
-        DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE,
-                KEY_COMPACT_STATSD_SAMPLE_RATE,
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
+                AppCompactor.KEY_COMPACT_STATSD_SAMPLE_RATE,
                 Float.toString(1.01f), false);
         assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue();