Revert "Make ClassLinker::DumpForSigQuit exclude gc" am: 883e103f04 am: 0c71a92576

Original change: https://googleplex-android-review.googlesource.com/c/platform/art/+/15588694

Change-Id: I0ad50706a6dce4d8998c3d25d5b9e23246c686a9