Fix android precompilation builders after testing script refactoring

tools/testing/dart/runtime_configuration.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library runtime_configuration;
 
 import 'dart:io' show Directory, File;
 
 import 'compiler_configuration.dart' show CommandArtifact;
 
@@ skipping 271 matching lines @@
 
     return <Command>[
       commandBuilder.getVmCommand(suite.dartPrecompiledBinaryFileName,
           arguments, environmentOverrides)
     ];
   }
 }
 
 class DartPrecompiledAdbRuntimeConfiguration
       extends DartVmRuntimeConfiguration {
+  static const String DeviceDir =
+      '/data/local/tmp/precompilation-testing';
+  static const String DeviceTestDir =
+      '/data/local/tmp/precompilation-testing/test';
+
   final bool useBlobs;
   DartPrecompiledAdbRuntimeConfiguration({bool useBlobs}) : useBlobs = useBlobs;
 
   List<Command> computeRuntimeCommands(
       TestSuite suite,
       CommandBuilder commandBuilder,
       CommandArtifact artifact,
       List<String> arguments,
       Map<String, String> environmentOverrides) {
     String script = artifact.filename;
@@ skipping 54 matching lines @@
 class DummyRuntimeConfiguration extends DartVmRuntimeConfiguration {
   List<Command> computeRuntimeCommands(
       TestSuite suite,
       CommandBuilder commandBuilder,
       CommandArtifact artifact,
       List<String> arguments,
       Map<String, String> environmentOverrides) {
     throw "Unimplemented runtime '$runtimeType'";
   }
 }