Do not throw on call to isTetheringSupported w/o permission

...just return false instead. This will change in P.

Test: Made an app to test this. Made sure it doesn't have
Test: the required permission. Checked it crashes with
Test: SecurityException without this change. Checked it
Test: doesn't with it.

Bug: 65404184

Change-Id: Id20d3c240ec5d70d085e0366b92ab3a514f3e7c8
1 file changed
tree: 0b965d362d91e91f0e437ef0d40c81b01dc1f35d
  1. core/
  2. services/
  3. tests/