Merge "Identity Credential: Add some support functions for mDL oem Hal." into rvc-dev am: 4200c3b5d3 am: 7015c0ef67

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/11716799

Change-Id: I2be307afb19288606519efa1146feecd3449190f