Merge "Convert envsetup.sh shell functions to scripts." into main am: 4deefa4c am: 73bf3741

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/3092993



Change-Id: Ica6f445a4ec8372ccc758067c3fb23ed0f66d83d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>