Fix null intent handling

This also fixes the potential crash when handling intent
with null action string.

BUG=28689719
TEST=compile
TEST=runtest frameworks-wifi

Change-Id: I6ef3e07e38f33d8c5040dd358f161224095189d6
1 file changed
tree: d483c450db04be3389dddcaf506e3bd3b8aad5d3
  1. service/