Merge "Allow sourcing envsetup from anywhere" am: 0e462442

Original change: https://android-review.googlesource.com/c/platform/build/+/2097636



Change-Id: Ifd8b3f9d5556a05713ae6d9043d7047b42fb5b27
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>