manifest: android-8.1.0_r26 -> android-8.1.0_r30

Change-Id: If833c5bcea5dade15d00b86ce5fe9e58f3c9f24b
1 file changed
tree: b9f39b4c14fb6a05f79a9f2bf2d150112a75ad91
  1. snippets/
  2. default.xml
  3. README.mkdn