[automerger skipped] add API to get hash descriptor am: b510d2bf am:...
[automerger skipped] add API to get hash descriptor am: b510d2bf am: a17c2436 -s ours am: 7478a48a -s ours am: 78b58c16 -s ours
am skip reason: Change-Id I92e32f61a265671ae0940c44147391f73776e66a with SHA-1 a90bfdd8 is in history
Change-Id: I0d81de996a2efa4da4b5910a1d77dbdcd34778d0