[Android] Move base tests classes to pylib/base

build/android/pylib/instrumentation/run_java_tests.py

Index: build/android/pylib/instrumentation/run_java_tests.py
diff --git a/build/android/pylib/instrumentation/run_java_tests.py b/build/android/pylib/instrumentation/run_java_tests.py
index 34ce733a67544cb2b0548721f8396ea61d44a97a..d5217008b4f28f9d2cc4daa96441130898981e2f 100644
--- a/build/android/pylib/instrumentation/run_java_tests.py
+++ b/build/android/pylib/instrumentation/run_java_tests.py
@@ -15,15 +15,15 @@ import time
 from pylib import android_commands
 from pylib import cmd_helper
 from pylib import constants
-from pylib import sharded_tests_queue
 from pylib import valgrind_tools
 from pylib.android_commands import errors
-from pylib.base_test_runner import BaseTestRunner
-from pylib.base_test_sharder import BaseTestSharder, SetTestsContainer
+from pylib.base import sharded_tests_queue
+from pylib.base.base_test_runner import BaseTestRunner
+from pylib.base.base_test_sharder import BaseTestSharder, SetTestsContainer
+from pylib.base.test_result import SingleTestResult, TestResults
 from pylib.forwarder import Forwarder
 from pylib.json_perf_parser import GetAverageRunInfoFromJSONString
 from pylib.perf_tests_helper import PrintPerfResult
-from pylib.test_result import SingleTestResult, TestResults
 
 import apk_info