Support backward compatibility of new LAST_CALL_FAIL_CAUSE

Previous fail cause returns integer array. New fail cuase returns integer and
string. RIL framework uses just integer as causeCode.
To support backward compatibility, returns integer instead of integer array
as causeCode.

Bug: 22204818
Change-Id: I77ca55d99a44d129cf401743c34c03754f38dde2
1 file changed
tree: 965f383c6bed2c1ef3c8a9f2672a6a0155455959
  1. include/
  2. libril/
  3. librilutils/
  4. reference-ril/
  5. rild/
  6. CleanSpec.mk