Add fuzzer for bluetooth socket AIDL am: d366cc3963 am: 4fcf73d112

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

Change-Id: I11482a0ade86bd4c70aec982c261024f30710d75
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>