Enable prebuilt SDK.

Also add support for MODULES_BUILD_FROM_SOURCE for consistency with
module prebuilts.

Test: TH
Bug: 188427719
Merged-In: I4b982a2ddf8d54e99504038267dfe8d1f9d94e60
Change-Id: I4d4a3262d277257facbb0ce935df3a3eb711474f
1 file changed
tree: f17df1ad4bb6df42efd480acfc0ea2999e05b607
  1. .prebuilt_info/
  2. 1/
  3. current/