Merge "ueventd: Fix a race condition in handling device-mapper events." into...

Merge "ueventd: Fix a race condition in handling device-mapper events." into udc-dev am: c742bfda am: 1a626643

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/core/+/23598091



Change-Id: Ia70f17e7823e9940119ab5e0485ec35b41e79376
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>