[automerger skipped] Keyguard: use transition state for syncing occlude [RESTRICT AUTOMERGE] am: 831787c50d am: 814ad74b75 -s ours am: 1bc0b7ccc6 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23661867

Change-Id: I3575d6c6a2028616b6d4e0c4b437add6e0ebb032
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>