Merge "Fix the problem of slow exit of boot animation" am: 9a0581c0 am: f6ecaaf5 am: fd453a4a

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2369728



Change-Id: I886e91323a069589dd91f668bc2a363172580c50
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>