Merge "Allow sourcing envsetup from anywhere" am: 0e462442 am: 596a630c am: 8c2f4676

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



Change-Id: I5333aa93c03eef7e145ccee79e75b2fadd8754e6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>