[automerger skipped] Merge "Add KeyChainService credential management app APIs" am: e02debebcf am: e5ba22ab36 am: 275601c126 -s ours

am skip reason: Change-Id I00b7df27a92f6ee4f74546f892c83290fead1112 with SHA-1 e17727ebe4 is in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1549395

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Icd1ba99bd80f07fbee1adf46fa25a42f29277841