Add dependency_manager initialization to binary_manager

tools/telemetry/telemetry/internal/platform/profiler/android_profiling_helper_unittest.py

Index: tools/telemetry/telemetry/internal/platform/profiler/android_profiling_helper_unittest.py
diff --git a/tools/telemetry/telemetry/internal/platform/profiler/android_profiling_helper_unittest.py b/tools/telemetry/telemetry/internal/platform/profiler/android_profiling_helper_unittest.py
index 0db4e5659c85141c2bcfda7007d6ab4fd3cbfa57..8b7d88f89ec748855c107fe7fdbe95542e052462 100644
--- a/tools/telemetry/telemetry/internal/platform/profiler/android_profiling_helper_unittest.py
+++ b/tools/telemetry/telemetry/internal/platform/profiler/android_profiling_helper_unittest.py
@@ -13,6 +13,7 @@ import unittest
 from telemetry.core import util
 from telemetry import decorators
 from telemetry.internal.platform.profiler import android_profiling_helper
+from telemetry.internal.util import binary_manager
 from telemetry.testing import simple_mock
 from telemetry.testing import tab_test_case
 
@@ -118,6 +119,8 @@ class TestAndroidProfilingHelper(unittest.TestCase):
 
     real_subprocess = android_profiling_helper.subprocess
     android_profiling_helper.subprocess = mock_subprocess
+
+    binary_manager.InitDependencyManagerForUnittests()
     try:
       libs = android_profiling_helper.GetRequiredLibrariesForPerfProfile('foo')
       self.assertEqual(libs, set([