manifest: android-7.1.1_r9 -> android-7.1.1_r21

Change-Id: Iacd564d829b05de3bcf1fa070535aab2ae230009
1 file changed
tree: 8dfba1554b393854020866aaa7d82f7ac983107f
  1. snippets/
  2. default.xml
  3. README.mkdn