Remove String8 from Status.

Test: compiles
Bug: 33760393
Change-Id: I35a6cfa9c3ad5ea58d1db73a6819a46af16ff2ed
diff --git a/generateCpp.cpp b/generateCpp.cpp
index 04e8f0b..7f3f4cc 100644
--- a/generateCpp.cpp
+++ b/generateCpp.cpp
@@ -572,7 +572,7 @@
             out << "return ::android::hardware::Status::fromExceptionCode(\n";
             out.indent(2, [&] {
                 out << "::android::hardware::Status::EX_TRANSACTION_FAILED,\n"
-                    << "::android::String8(\"Cannot wrap passthrough interface.\"));\n";
+                    << "\"Cannot wrap passthrough interface.\");\n";
             });
         });
     }
@@ -636,7 +636,7 @@
                 out << "_hidl_error = ::android::hardware::Status::fromExceptionCode(\n";
                 out.indent(2, [&] {
                     out << "::android::hardware::Status::EX_TRANSACTION_FAILED,\n"
-                        << "::android::String8(\"Cannot wrap passthrough interface.\"));\n";
+                        << "\"Cannot wrap passthrough interface.\");\n";
                 });
                 out << "return;\n";
             });