binder_parcel_fuzzer: all hwbinder functions

Some were missing.

Bug: 131861045
Test: run fuzzer for a couple of minutes
Change-Id: I3a4b9c0f8db254e306ee1a2f4f1bb2bbad38d0c1
diff --git a/libs/binder/fuzzer/main.cpp b/libs/binder/fuzzer/main.cpp
index 929e2c3..3b7caea 100644
--- a/libs/binder/fuzzer/main.cpp
+++ b/libs/binder/fuzzer/main.cpp
@@ -34,6 +34,9 @@
     P p;
     p.setData(input.data(), input.size());
 
+    // since we are only using a byte to index
+    CHECK(reads.size() <= 255) << reads.size();
+
     for (size_t i = 0; i < instructions.size() - 1; i += 2) {
         uint8_t a = instructions[i];
         uint8_t readIdx = a % reads.size();