PackageInstaller: Fix generating id in android namespace

Fixes:
res/layout-watch/wear_review_permission_title_pref.xml:23: warn:
generated id 'android:id/icon' for external package 'android'.
res/layout-watch/wear_review_permission_action_pref.xml:17: warn:
generated id 'android:id/title' for external package 'android'.

Change-Id: I6a909f73fb9273026e4013e8099ff346e58a81f3