Use abort() instead of a null dereference.

Clang deletes these because they're invalid. It's pretty awful of
clang to do this, but this should be abort() anyway.

Change-Id: I89423ff2c4d08db82077e56b726549e3783d38e1

tests/camera2/ForkedTests.cpp

@@ -16,6 +16,8 @@
 
 #include <gtest/gtest.h>
 
+#include <stdlib.h>
+
 #include "TestExtensions.h"
 
 namespace android {
@@ -37,9 +39,7 @@ class DISABLED_ForkedTest : public ::testing::Test {
 // intentionally fail
 TEST_F(DISABLED_ForkedTest, FailCrash) {
     TEST_EXTENSION_FORKING_INIT;
-
-    //intentionally crash
-    *(int*)0 = 0xDEADBEEF;
+    abort();
 }
 
 TEST_F(DISABLED_ForkedTest, SucceedNormal) {