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

Reuse OWNERS from newer versions.

Bug: 203698882
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Change-Id: I19bd731933f386564bccc05bfef0c8b9fd0ce07a
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..ccc4290
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,2 @@
+include platform/prebuilts/gcc/linux-x86/x86/x86_64-linux-android-4.9:/OWNERS
+