Add support for MODULES_BUILD_FROM_SOURCE for consistency with am: 3011d98237 am: 8f7ce36e33 am: 314e88c5f6

Original change: https://android-review.googlesource.com/c/platform/prebuilts/module_sdk/SdkExtensions/+/1907887

Change-Id: I9f3fd0434861cf252cbe2874134096995303ee84
tree: dcead6a34c1e514ee0ae5792d7f7b8a79fe11bf1
  1. .prebuilt_info/
  2. 1/
  3. current/
  4. OWNERS