repocache: Improve output and preserve configs
repocache: Improve output and preserve configs

Change-Id: I07c78553bff6f980c9ed9205e7667aab2293590a
Signed-off-by: Adrian DC <01fb3892f39957945220431e7409156544d2f041@gmail.com>

AdrianDC/android_development_shell_tools,AdrianDC/android_development_shell_tools