Merge changes from topics "envsetup_cleanup_2", "fix_get_build_var",...

Merge changes from topics "envsetup_cleanup_2", "fix_get_build_var", "module_info_functions" into main am: 0f4e684d

Original change: https://android-review.googlesource.com/c/platform/build/+/3103323



Change-Id: Ib1dda05ad3d05309ebd1ccb6c3505b0991bcced3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>