Auto grant read external storage too - it is now dangerous.

We grant external storage permissions to some default handlers by
default. Read external storage was promoted to runtime permission
but was not granted as a part of the external storage group, i.e.
with write external storage.

bug:21980225

Change-Id: I1edd7ae13222f12c9a488efb1919f5cf96e4b69d
1 file changed