Merge "bootstat: add more bootreasons" am: 2b0c119b

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2151576



Change-Id: I426b6991d2bb4329937838c02b0406a7ca86445c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>