Make master clear constants system APIs.

This is needed for unbundling of the OobConfig apk.

Test: gts-tradefed run gts -m GtsGmscoreHostTestCases --test com.google.android.gts.devicepolicy.DeviceOwnerUserRestrictionTest#testFactoryReset_disallowFactoryReset

Bug: 32974361

Change-Id: I71e7270bb4c3234ec0516382b18a2ca35aab4c81
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 40fd881..bc04062 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -3393,7 +3393,10 @@
             android:permission="android.permission.MASTER_CLEAR">
             <intent-filter
                     android:priority="100" >
-                <!-- For Checkin, Settings, etc.: action=MASTER_CLEAR -->
+                <!-- For Checkin, Settings, etc.: action=FACTORY_RESET -->
+                <action android:name="android.intent.action.FACTORY_RESET" />
+                <!-- As above until all the references to the deprecated MASTER_CLEAR get updated to
+                     FACTORY_RESET. -->
                 <action android:name="android.intent.action.MASTER_CLEAR" />
 
                 <!-- MCS always uses REMOTE_INTENT: category=MASTER_CLEAR -->