add OWNERS for prebuilts/gcc/darwin-x86/mips/mipsel-linux-android-4.7

Reuse OWNERS from newer versions.

Bug: 203698882
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Change-Id: Ice81d9498a4fa2b8c633be6b020a8a54f687c24b
1 file changed