Merge "Stop relying on /usr/bin/python for SDK builds" am: f5f2b3bfaa am: a0bb9f649b am: 6896f89217

Original change: https://android-review.googlesource.com/c/platform/development/+/1788908

Change-Id: I40c7f9f3f1d07915dbb993250cfb7601a46bba49