Use var for design library, update SL targets

Bug: 72796206

Test: make checkbuild
Change-Id: I93a9b4c0f62b6ddc4e906a77ed85f067f312503f
1 file changed
tree: 7669b5bd54a546b3454a329ac131cbc3761747cb
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml