adb: fix clang-format for access modifier dedent.

It was previously -1 (the default from Google style, since it uses 2
space indentation), instead of -2.

Change-Id: I1865505ce17a2cc13b85de58bda55c3b1dfcf08c
(cherry picked from commit 5da522ec4553ff512f9b237152c92354343ae6db)
1 file changed