Fix ProguardMap line mapping am: cdac020aa2

Original change: https://android-review.googlesource.com/c/platform/art/+/2063635

Change-Id: Ia71903c2949d0e54249909a7d2afa25e7b925887
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>