SL4A Connectivity Facade: add API to get isTetheringSupported

[DO NOT MERGE]

BUG: 26257720
Change-Id: If8dc49c2a00bccf5bfd56ba6858883290f665295
1 file changed
tree: 382129e2757b6fe542d9b63cdbf5912e3b675964
  1. sl4a/
  2. sl4n/