Make compiler/debug/ symbols hidden. am: 79c4f832be am: f406305c7b am: 14e7989b11

Original change: https://android-review.googlesource.com/c/platform/art/+/2303002

Change-Id: I8406e82ee3cc3d24d9c2789a068afd87241e4d7b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>