Intent to start app memory usage page.

Start the app with intent: android.settings.APP_MEMORY_USAGE will bring
up this page.

Bug: 26820467
Change-Id: I50690c71e8182735ea14fdf42a4812573f650e1b
(cherry picked from commit b816812a4f68a1841703da5d29b32ccafd0896f6)
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 4b976b5..a1cb7ee 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1041,6 +1041,19 @@
                 android:value="com.android.settings.applications.ProcessStatsSummary" />
         </activity>
 
+        <activity android:name="Settings$AppMemoryUsageActivity"
+                  android:label="@string/app_list_memory_use"
+                  android:icon="@drawable/ic_settings_memory">
+            <intent-filter>
+                <action android:name="android.settings.APP_MEMORY_USAGE" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+            <meta-data android:name="com.android.settings.category"
+                       android:value="com.android.settings.category.device" />
+            <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
+                       android:value="com.android.settings.applications.ProcessStatsUi" />
+        </activity>
+
         <activity android:name="Settings$AllApplicationsActivity"
                 android:label="@string/applications_settings"
                 android:taskAffinity="">
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index 4aebe82..9c3a0d9 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -122,6 +122,7 @@
     public static class ApnSettingsActivity extends SettingsActivity { /* empty */ }
     public static class WifiCallingSettingsActivity extends SettingsActivity { /* empty */ }
     public static class MemorySettingsActivity extends SettingsActivity { /* empty */ }
+    public static class AppMemoryUsageActivity extends SettingsActivity { /* empty */ }
     public static class OverlaySettingsActivity extends SettingsActivity { /* empty */ }
     public static class WriteSettingsActivity extends SettingsActivity { /* empty */ }
     public static class AppDrawOverlaySettingsActivity extends SettingsActivity { /* empty */ }