Merge "DO NOT MERGE Mask case of base or tree permission being null am: cb8a640cef am: 28fc6a28aa  -s ours am: 4f9d4bfb3e" into oc-dev-plus-aosp
am: 629da28c60

Change-Id: Idd3d75669a0aca597cf0cb731b43199afb45f28c