Fix bounds check when reading MapList of a dex file. am: 74c781dfd9 am: 6287410b56

Original change: https://android-review.googlesource.com/c/platform/art/+/2375889

Change-Id: I0705fe8a96b3b5dd951357b4e61a7857992f3eef
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>