Increase size of vendor partition to 64M am: 11183cbc9e

Original change: https://android-review.googlesource.com/c/device/generic/trusty/+/2825375

Change-Id: I3eed8cbd579b632e2f2a58174af782572432c97f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>