[Telemetry] Remove usage of adb_commands in android_command_line_backend and android_browser_finder

tools/telemetry/telemetry/internal/backends/chrome/android_browser_finder.py

Index: tools/telemetry/telemetry/internal/backends/chrome/android_browser_finder.py
diff --git a/tools/telemetry/telemetry/internal/backends/chrome/android_browser_finder.py b/tools/telemetry/telemetry/internal/backends/chrome/android_browser_finder.py
index ae6181f2ea68de1f8407d2c88dec8328388cb698..a4e5981d7035f396959c91b8cef8f306ba14d379 100644
--- a/tools/telemetry/telemetry/internal/backends/chrome/android_browser_finder.py
+++ b/tools/telemetry/telemetry/internal/backends/chrome/android_browser_finder.py
@@ -14,10 +14,12 @@ from telemetry.core.platform import android_device
 from telemetry.core import possible_browser
 from telemetry.core import util
 from telemetry import decorators
-from telemetry.internal.backends import adb_commands
 from telemetry.internal.backends import android_browser_backend_settings
 from telemetry.internal.backends.chrome import android_browser_backend
 
+util.AddDirToPythonPath(util.GetChromiumSrcDir(), 'build', 'android')
+from pylib.utils import apk_helper # pylint: disable=import-error
+
 
 CHROME_PACKAGE_NAMES = {
   'android-content-shell':
@@ -170,7 +172,7 @@ def _FindAllPossibleBrowsers(finder_options, android_platform):
       CanPossiblyHandlePath(finder_options.browser_executable)):
     normalized_path = os.path.expanduser(finder_options.browser_executable)
 
-    exact_package = adb_commands.GetPackageName(normalized_path)
+    exact_package = apk_helper.GetPackageName(normalized_path)
     if not exact_package:
       raise exceptions.PackageDetectionError(
           'Unable to find package for %s specified by --browser-executable' %