[automerger skipped] Write keepalive metrics periodically using alarms. am: 36a18e669b -s ours

am skip reason: Merged-In I5e21de058336819189532beffe2b3239a3c69599 with SHA-1 19ea150271 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/23723905

Change-Id: I5643f948f8923adf778edb3cf7898995f55aca63
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>