Merge "Add @GuardedBy annotation to PersistentDataBlockService#mIsWritable." into lmp-mr1-dev am: 63a27d773b am: 1422a6074d am: a1d59972ad am: f027831c6b am: 5c74a1e9bb am: 1d84f619bf am: 0e2e913b04 am: b07ddf3814 am: 596e3a9d1a am: 821fdbd3ff
am: 171fa83224

Change-Id: I46f642c19a517e64ce46a02d5235e766eb1897be