Merge changes from topics "remove-blueprint-main", "remove-some-minibp",...

Merge changes from topics "remove-blueprint-main", "remove-some-minibp", "remove-srcdir" am: 0dd067d3

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/1796650

Change-Id: I923353cdc909c6a82423e4c816cdd22014e7993e