build.sh copy change_info to dist/ dir
build.sh copy change_info to dist/ dir

it will be passed to the affected module detector to specify which files are new in a given build, so we'd like to have it in the dist/ dir where we can inspect it for debugging purposes

Bug: 203692753
Test: touch ../../change_inf && \
      CHANGE_INFO=../../change_info ./busytown/impl/build.sh :help; \
      ls ../../out/dist/change_info

Change-Id: I5e68df25ebf9a43f4a81de516da76678246e0932

androidx/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx