Introducing clear package data intent

Clear data Intent can be called from any application and
executes in the PackageInstaller. The user will be asked
to verify that they truly want to clear package data via
an AlertDialog.

This was initially intended to be @SystemApi, but
conversations with API-Review led to it be public.

Test: Covered by a gts-test ag/1806256 and manually tested
by calling from com.android.vending (Play Store).

bug: 33017941
bug: 31008483

Change-Id: Ibeae6620303ba52cc2ebf0383756c9380d3fa013

core/java/android/content/Intent.java

@@ -1627,6 +1627,19 @@ public class Intent implements Parcelable, Cloneable {
     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
     public static final String ACTION_UNINSTALL_PACKAGE = "android.intent.action.UNINSTALL_PACKAGE";
 
+    /**
+     * Activity Action: Launch application uninstaller.
+     * <p>
+     * Input: The data must be a package: URI whose scheme specific part is
+     * the package name of the current installed package to be uninstalled.
+     * You can optionally supply {@link #EXTRA_RETURN_RESULT}.
+     * <p>
+     * Output: Nothing.
+     * </p>
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_CLEAR_PACKAGE = "android.intent.action.CLEAR_PACKAGE";
+
     /**
      * Specify whether the package should be uninstalled for all users.
      * @hide because these should not be part of normal application flow.