Add support for not-long on ARM64 in the optimizing compiler.

Change-Id: I3e98ff411ba358d92774def18a12daccdc4f558f
diff --git a/compiler/optimizing/code_generator_arm64.cc b/compiler/optimizing/code_generator_arm64.cc
index c26b0ab..31051aa 100644
--- a/compiler/optimizing/code_generator_arm64.cc
+++ b/compiler/optimizing/code_generator_arm64.cc
@@ -1067,11 +1067,8 @@
       break;
 
     case Primitive::kPrimInt:
-      __ Mvn(OutputRegister(instruction), InputOperandAt(instruction, 0));
-      break;
-
     case Primitive::kPrimLong:
-      LOG(FATAL) << "Not yet implemented type for not operation " << instruction->GetResultType();
+      __ Mvn(OutputRegister(instruction), InputOperandAt(instruction, 0));
       break;
 
     default: