Merge "[Thread] post broacast receivers on the handler thread" into main am: 6d59b2f7aa

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3140719

Change-Id: I653e659e98054114d7955a0a870a2d8a191d4cb8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>