Merging 68 commit(s) from Chromium's toolchain-utils am: d865a56cd7 am: a2640d43cd

Original change: https://android-review.googlesource.com/c/platform/external/toolchain-utils/+/3045473

Change-Id: Id0ed69cf867ab58f8c5e8c08477ea4d5d8bc08a0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>