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

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

Change-Id: I720264c768f958cb69a3a305f6f3011e5dc90cc2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>