LTS Refresh: Merge upto fbee90d1f293dbe888139b2306e9e0b5b1251a88 (buildnumber: 18613.164.0) from main-R117-cos-6.6 to release-R117-cos-6.6.

BUG=b/388080865
TEST=presubmit
RELEASE_NOTE=LTS Refresh from main-R117-cos-6.6 to release-R117-cos-6.6

Change-Id: If76fba479cec012696600a18af97e1a05fd73a18