Fix install path of benchmarks

am: 624b8ed0b3

Change-Id: I50844c0c90d3a7da14adea60561b7d248ac43fc0

cc/cc.go

@@ -2254,10 +2254,12 @@ func NewBenchmark(hod android.HostOrDeviceSupported) *Module {
 	module := newModule(hod, android.MultilibFirst)
 	module.compiler = &baseCompiler{}
 	module.linker = &benchmarkLinker{}
-	module.installer = &baseInstaller{
+	module.installer = &testInstaller{
+		baseInstaller: baseInstaller{
 			dir:   "nativetest",
 			dir64: "nativetest64",
 			data:  true,
+		},
 	}
 	return module
 }