jni: Support @FastNative methods that return objects

Bug: 32088975
Change-Id: I16f8b7ec6b251812af60ab25f2153d9b72f37044
diff --git a/compiler/oat_test.cc b/compiler/oat_test.cc
index 593d8e9..ffeff76 100644
--- a/compiler/oat_test.cc
+++ b/compiler/oat_test.cc
@@ -462,7 +462,7 @@
   EXPECT_EQ(72U, sizeof(OatHeader));
   EXPECT_EQ(4U, sizeof(OatMethodOffsets));
   EXPECT_EQ(20U, sizeof(OatQuickMethodHeader));
-  EXPECT_EQ(163 * static_cast<size_t>(GetInstructionSetPointerSize(kRuntimeISA)),
+  EXPECT_EQ(164 * static_cast<size_t>(GetInstructionSetPointerSize(kRuntimeISA)),
             sizeof(QuickEntryPoints));
 }