Fix CameraParameters2::OrderedKeyedVector::removeItem tautological-compare

The tautological-compare warning/error is uncovered when
frameworks/av/include is moved from being a system header directory to a
normal include directory.

Test: m -j checkbuild
Change-Id: Ie2d6c354f11e162416a1ac5e8ea185fa62a959a0
1 file changed