TIF: Put comments for the newly added US and Canadian rating strings
TIF: Put comments for the newly added US and Canadian rating strings

Bug: 18433516
Change-Id: Iff7a100edd82cc4195239cac8d6ac7b8fed4b8b5

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base