update OWNERS to include Android.bp

Flag: EXEMPT only changing OWNERS
Bug: 357036384
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:3cfbc79e7334559e92e8a84efeb887bfa4db8507)
Merged-In: I17ef95789dd4b53738e47424f38ff74f335fa4eb
Change-Id: I17ef95789dd4b53738e47424f38ff74f335fa4eb

OWNERS

@@ -1,4 +1,4 @@
 per-file powerhint.json = [email protected],[email protected],[email protected],[email protected]
 
 # per-file for Pixel device makefiles, see go/pixel-device-mk-owner-checklist for details.
-per-file *.mk,*/BoardConfig.mk=file:device/google/gs-common:main:/MK_OWNERS
+per-file *.mk,*/BoardConfig.mk,{**/,}Android.bp=file:device/google/gs-common:main:/MK_OWNERS