Add support for MODULES_BUILD_FROM_SOURCE for consistency with am: d745a03681 am: 30ca68928c

Original change: https://android-review.googlesource.com/c/platform/prebuilts/module_sdk/conscrypt/+/1907856

Change-Id: If365fe86124c81556823fe5a32c5be3c010e9fcc
tree: 3b8cea5b1ec76ee140ba0c71e9889dfcd0812df1
  1. .prebuilt_info/
  2. 1/
  3. current/
  4. OWNERS