Reland "Walk up the super chain to find an IMT to share." am: 347e4cf059 am: fd83d27905 am: 8b0e1edf29

Original change: https://android-review.googlesource.com/c/platform/art/+/2419201

Change-Id: I741e1caad09e5f4e44f667c9dec92edc25b1a830
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>