Android-Clatd: Remove unused variable

For build-system CFLAGS clean-up, fix unused-but-set variables.

(cherry picked from commit fee9afb1a5d9f7f5df0c79e29368c61d7da16fb8)

Change-Id: Icacc158baae40d18f56bb32bb400ae6e765b0dad
1 file changed