Add a wrapper for callers of BootControl HAL

We are switching BootControl from HIDL to AIDL. All clients must be
compatible with both implementations. To ease implementation, create a
wrapper that will use AIDL if possible, and fallback to HIDL otherwise.

Test: th
Bug: 227536004
Change-Id: Ia40cb384058a0052f7c5c39766534c23a095ca59