Merge "Support docker for ota generator" am: 091a8fb955 am: d2f6d63acd am: 7c43b85a08 am: 630328e5f0

Original change: https://android-review.googlesource.com/c/platform/development/+/1780768

Change-Id: I4679588af18c643fc5865f13b7491f180b08273f