Merge mainline-prod into master

$ git merge -s ours origin/mainline-prod

There are only two commits not from upstream:
a732b3a5a2bd72c350f2247f0727e1a5318a6e14
1be2664406a2e697044f483a44c547973f915e3d

But both of these are noops in master (due to Merged-In).

Bug: 168176832
Test: presubmit
Change-Id: Ic61fc2939b03615e152c37fd762dbcd81546f705
tree: 8ce93bbe4941b4b811b4c18c6922e236a2f09b23
  1. Tethering/