refactor bp2build module allowlists into struct am: 24c56038 am: a9ffab0b...

refactor bp2build module allowlists into struct am: 24c56038 am: a9ffab0b am: 191831f1 am: e61850b5

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2047749



Change-Id: I2619bb93338a2bc1b8dd1f965bffcb073fbff787
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>