Merge "Adding fastboot_driver interface + mock" am: 3ac1e55e am: ee0e75bb...

Merge "Adding fastboot_driver interface + mock" am: 3ac1e55e am: ee0e75bb am: 80414cd2 am: d8a1fe58

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2516535



Change-Id: Idd985eaa662f46d40346aa7190eb4f17faaee2af
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>