binder_parcel_fuzzer: fuzz RPC format

We'll need a separate fuzzer for the binder RPC wire protocol, but for
now we should fuzz the RPC wire format.

Bug: 182938024
Test: binderRpcTest
Test: binder_parcel_fuzzer
Change-Id: I82c4908529c3198104b43fdefb1e715a2be05797
6 files changed