Merge "libdm: don't expect uevent for devices that have never been activated" am: 684a66c8ec

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2628999

Change-Id: Iafd0fd9df3b38ecc1d1ac30dd6d063b7744e987f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>