Merge "Replace custom HandlerExecutor with common one" am: 941685ed4f

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2405713

Change-Id: If3981a61673a57c64d9a772891360b1530d7312b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>