hidl-gen: add sanitizedName to emitReaderWriterEmbedded.

* Fix weird variable names in autogenerated code for vec<vec<T>>.

Bug: 31955917

Test: hidl_test
Change-Id: I83363a6d12babae1aba8e118451e1ec80492012c
diff --git a/ArrayType.h b/ArrayType.h
index 4514c2d..878dc51 100644
--- a/ArrayType.h
+++ b/ArrayType.h
@@ -64,6 +64,7 @@
             Formatter &out,
             size_t depth,
             const std::string &name,
+            const std::string &sanitizedName,
             bool nameIsPointer,
             const std::string &parcelObj,
             bool parcelObjIsPointer,