libselinux: android: allow multiple service and property contexts

Adds support in service and property labeling backend so selabel_open()
with multiple input files works for both.

Bug: 33746484
Test: Successfully boot with original service and property contexts.
      Successfully boot with split serivce and property contexts.

Change-Id: I47325e5102bcd5d8df212c2dec2cf814ee954ed8
Signed-off-by: Sandeep Patil <sspatil@google.com>
1 file changed