[mojo-edk] Fix test expectations for official builds

mojo/edk/system/options_validation_unittest.cc

Index: mojo/edk/system/options_validation_unittest.cc
diff --git a/mojo/edk/system/options_validation_unittest.cc b/mojo/edk/system/options_validation_unittest.cc
index d2c81808dae597aa8ea8ef7805f8817baa1b7358..a01a92cfb10544ebda99125acadc61cd29498232 100644
--- a/mojo/edk/system/options_validation_unittest.cc
+++ b/mojo/edk/system/options_validation_unittest.cc
@@ -95,7 +95,11 @@ TEST(OptionsValidationTest, Invalid) {
 // (for required pointer arguments) will still cause death, but perhaps not
 // predictably.
 TEST(OptionsValidationTest, InvalidDeath) {
+#if defined(OFFICIAL_BUILD)
+  const char kMemoryCheckFailedRegex[] = "";
+#else
   const char kMemoryCheckFailedRegex[] = "Check failed";
+#endif
 
   // Null:
   EXPECT_DEATH_IF_SUPPORTED(