Merge "ueventd: Wait for runtime apex before running external firmware...

Merge "ueventd: Wait for runtime apex before running external firmware handler" am: 852e22d7 am: f326444c

Original change: https://android-review.googlesource.com/c/platform/system/core/+/1926942



Change-Id: Ic23a968f9143e3af8eaaa5c48493c8f38be7aaf1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>