Add TYPE_POINTER support in mutator.

Test: SANITIZE_TARGET="address coverage" make vts -j64 && vts-tradefed
run commandAndExit vts --skip-all-system-status-check --primary-abi-only
--skip-preconditions -l VERBOSE --module VtsHalBluetoothV1_0IfaceFuzzer

Change-Id: I7b06b3e6dd862ecf8751ec07261bbbe4ffad01fa
diff --git a/iface_fuzzer/ProtoFuzzerMutator.cpp b/iface_fuzzer/ProtoFuzzerMutator.cpp
index 66a39cf..4941382 100644
--- a/iface_fuzzer/ProtoFuzzerMutator.cpp
+++ b/iface_fuzzer/ProtoFuzzerMutator.cpp
@@ -66,6 +66,9 @@
       std::bind(&ProtoFuzzerMutator::EnumRandomGen, this, _1);
   mutate_fns_[TYPE_MASK] = std::bind(&ProtoFuzzerMutator::EnumMutate, this, _1);
 
+  random_gen_fns_[TYPE_POINTER] = default_transform;
+  mutate_fns_[TYPE_POINTER] = default_transform;
+
   random_gen_fns_[TYPE_SCALAR] =
       std::bind(&ProtoFuzzerMutator::ScalarRandomGen, this, _1);
   mutate_fns_[TYPE_SCALAR] =