Disable runtime app image while investigating b/268225365. am: 5917f09d5e am: a03fbebd7e

Original change: https://android-review.googlesource.com/c/platform/art/+/2422712

Change-Id: I311697634a895b793ebc11aa1ed17dab2a63fe4a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>