The results of CollectLocations() are only used if the --proguard-conditional-keep-rules option is set, but the function is always called when the --proguard option is set. Since this function can be slow on particularly large resource sets, avoid calling it unless --proguard-conditional-keep-rules is set. Change-Id: If259d41cdab16abad8ca62f30d8beb5ebf33575a Bug: 144236322 Test: aapt2_tests