Merge "Copy build.prop[-<part>] to dist dir only if the corresponding...

Merge "Copy build.prop[-<part>] to dist dir only if the corresponding partition image is being built" into main am: bb508889 am: 10c30669

Original change: https://android-review.googlesource.com/c/platform/build/+/3011135



Change-Id: Ia5021745f2a60aad4a796e6bfa769a66e138fbb8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>