AW: add WebViewClient boundary interface
am: da629b9f10

Change-Id: I7fec5993f015b131e7c307f4beb8b6dae4656411
tree: 357ae0670560b7e4990f7bfdec257f40838648a3
  1. BUILD.gn
  2. DEPS
  3. proguard.flags
  4. src/