Merge "Add exported flag to exposed test runtime receivers" am: 922f087568

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2381373

Change-Id: I42a30e53a25e189e4f13981cc616ad0d3bf5b02c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>