Merge "Add Mainline update hook for Pre-reboot Dexopt." into main am: 4c1462a709

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2985231

Change-Id: I947e73da66ce33e6896541de3aea2bcd4642ca2b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>