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
Create one library for reading protos from all containers, instead of
having numerous libraries perform the same logic. For Java, we will
create a similar library reusing the same
partition_aconfig_flags_paths.txt.
Bug: 324436145
Test: adb shell aflags list # Confirm that various containers appear
Change-Id: I924e281a50f9a609e1c07c03267eebe3dce52752
