Add sync_unit_test to known lists of Android unit tests.

This will cause them to be run on the test/experimental bots.
These tests are currently passing and we should keep them that way.

BUG=
TEST=


Review URL: http://codereview.chromium.org/9696031

git-svn-id: http://src.chromium.org/svn/trunk/src/build@126556 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

android/run_tests.py

@@ -66,7 +66,8 @@ from single_test_runner import SingleTestRunner
 from test_package_executable import TestPackageExecutable
 from test_result import BaseTestResult, TestResults
 
-_TEST_SUITES = ['base_unittests', 'sql_unittests', 'ipc_tests', 'net_unittests']
+_TEST_SUITES = ['base_unittests', 'sql_unittests', 'ipc_tests', 'net_unittests',
+                'sync_unit_tests']
 
 
 def FullyQualifiedTestSuites():