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();