Merging 15 commit(s) from Chromium's toolchain-utils am: f5cc9231be am: 1b67a6a703

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

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Id49aa93263e5db9269279b10578de15869b71090