Android Mainline 12.0.0 Release 100 (8305796,com.google.android.networkstack)
Merging 15 commit(s) from Chromium's toolchain-utils am: f5cc9231be am: 1b67a6a703 am: 6e9f5ed75e am: 898f8d62d1

Original change: https://android-review.googlesource.com/c/platform/external/toolchain-utils/+/1624621

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I023fd8e313c424247c323d458b88e77a2930b33b