Add fuzzer for bluetooth socket AIDL am: d366cc3963

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3326177

Change-Id: I1a5bd2b6c39dd3fc2eac4de74ec22ae08d13b60d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>