Merge "Support building build tools against musl" am: ced4acb40f am: 2c83451745 am: b990bb2b38 am: e25fa867a0

Original change: https://android-review.googlesource.com/c/platform/prebuilts/build-tools/+/1783740

Change-Id: I7beafcb04d465182c6796299ca674768a8eb2d1f