Add Makefile targets for running tests on Android.

test/cctest/testcfg.py

Index: test/cctest/testcfg.py
diff --git a/test/cctest/testcfg.py b/test/cctest/testcfg.py
index f1387e8a4f3262b0eeed3c20f87119a92a7b13c9..532edfc26df37cf157f89be4c279fdedc02645ff 100644
--- a/test/cctest/testcfg.py
+++ b/test/cctest/testcfg.py
@@ -93,7 +93,8 @@ class CcTestConfiguration(test.TestConfiguration):
       if utils.IsWindows():
         executable += '.exe'
       executable = join(self.context.buildspace, executable)
-    output = test.Execute([executable, '--list'], self.context)
+    full_command = self.context.processor([executable, '--list'])
+    output = test.Execute(full_command, self.context)
     if output.exit_code != 0:
       print output.stdout
       print output.stderr