add OWNERS for prebuilts/gcc/darwin-x86/x86/x86_64-linux-android-4.7

Reuse OWNERS from newer versions.

Bug: 203698882
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Change-Id: I577813ed4861ba4fb4a1fd414bbffd9214bab235
1 file changed