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

Change-Id: I02047ef2536a6a77df84e1b203d3b5ee55439e32