Framework currently hardcodes the paths to flags protos, with this change it will be able to reuse the globally defined ones and also gets access to all APEX flags Bug: 301491148 Test: build + boot Flag: EXEMPT build change (cherry picked from https://googleplex-android-review.googlesource.com/q/commit:1e85e40c3ead83585ac3d7c71a712d35cd420a36) Merged-In: I91dae72c32c47888697914265c90918389aa4c25 Change-Id: I91dae72c32c47888697914265c90918389aa4c25