LTS Refresh: Merge upto 2f69b8ac4bd9d2b40371198e91d477f8b64dcf9f (buildnumber: 17800.147.0) from main-R109-cos-6.1 to release-R109-cos-6.1.

BUG=b/320744241
TEST=presubmit
RELEASE_NOTE=LTS Refresh from main-R109-cos-6.1 to release-R109-cos-6.1

Change-Id: Idb9775a0cb46eb48b722ef5e788d8b0b9a322e23