Switch build-prebuilts.sh to soong_ui
am: 36b23596fd

Change-Id: Ia596a510c36764ab8b5ff3caacc38c52bd1b3e95
tree: 57a0c9bd73a406929403dbfc93d2816bbaa122a6
  1. darwin-x86/
  2. linux-x86/
  3. build-prebuilts.sh
  4. manifest.xml
  5. OWNERS