LTS Refresh: Merge upto 4c9ebe5433ee812379312da294c285972f7012f5 (buildnumber: 17800.372.0) from main-R109-cos-6.1 to release-R109-cos-6.1.

BUG=b/373427361
TEST=presubmit
RELEASE_NOTE=LTS Refresh from main-R109-cos-6.1 to release-R109-cos-6.1

Change-Id: I52b65e4858f94453a725ba6b1f332d24d40024b8