ART: Replace COMPILE_ASSERT with static_assert (runtime)

Replace all occurrences of COMPILE_ASSERT in the runtime tree.

Change-Id: I01e420899c760094fb342cc6cb9e692dd670a0b2
diff --git a/runtime/mirror/class.h b/runtime/mirror/class.h
index 68fbb8b..21cf53f 100644
--- a/runtime/mirror/class.h
+++ b/runtime/mirror/class.h
@@ -131,7 +131,7 @@
 
   template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags>
   Status GetStatus() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
-    COMPILE_ASSERT(sizeof(Status) == sizeof(uint32_t), size_of_status_not_uint32);
+    static_assert(sizeof(Status) == sizeof(uint32_t), "Size of status not equal to uint32");
     return static_cast<Status>(
         GetField32Volatile<kVerifyFlags>(OFFSET_OF_OBJECT_MEMBER(Class, status_)));
   }