Update from https://crrev.com/327068

build/android/pylib/constants/__init__.py

Index: build/android/pylib/constants/__init__.py
diff --git a/build/android/pylib/constants.py b/build/android/pylib/constants/__init__.py
similarity index 96%
rename from build/android/pylib/constants.py
rename to build/android/pylib/constants/__init__.py
index 34dbf190af85b6ea8d4a998d047a820291b07f49..6e92f6d322de45d3bdbcc95d88cfa2e9337bcd85 100644
--- a/build/android/pylib/constants.py
+++ b/build/android/pylib/constants/__init__.py
@@ -3,6 +3,9 @@
 # found in the LICENSE file.
 
 """Defines a set of constants shared by test runners and other scripts."""
+
+# TODO(jbudorick): Split these constants into coherent modules.
+
 # pylint: disable=W0212
 
 import collections
@@ -13,7 +16,7 @@ import subprocess
 
 DIR_SOURCE_ROOT = os.environ.get('CHECKOUT_SOURCE_ROOT',
     os.path.abspath(os.path.join(os.path.dirname(__file__),
-                                 os.pardir, os.pardir, os.pardir)))
+                                 os.pardir, os.pardir, os.pardir, os.pardir)))
 ISOLATE_DEPS_DIR = os.path.join(DIR_SOURCE_ROOT, 'isolate_deps_dir')
 
 CHROME_SHELL_HOST_DRIVEN_DIR = os.path.join(
@@ -50,7 +53,7 @@ PACKAGE_INFO = {
         'chrome_devtools_remote',
         None),
     'chrome_dev': PackageInfo(
-        'com.google.android.apps.chrome_dev',
+        'com.chrome.dev',
         'com.google.android.apps.chrome.Main',
         '/data/local/chrome-command-line',
         'chrome_devtools_remote',
@@ -103,6 +106,13 @@ PACKAGE_INFO = {
         '/data/local/tmp/chrome-native-tests-command-line',
         None,
         None),
+    'components_browsertests': PackageInfo(
+        'org.chromium.components_browsertests_apk',
+        ('org.chromium.components_browsertests_apk' +
+         '.ComponentsBrowserTestsActivity'),
+        '/data/local/tmp/components-browser-tests-command-line',
+        None,
+        None),
     'content_browsertests': PackageInfo(
         'org.chromium.content_browsertests_apk',
         'org.chromium.content_browsertests_apk.ContentBrowserTestsActivity',