[Android] Work around pm path bug in L.

build/android/pylib/device/device_utils.py

Index: build/android/pylib/device/device_utils.py
diff --git a/build/android/pylib/device/device_utils.py b/build/android/pylib/device/device_utils.py
index c754caa91edc87f955607176536d7dee02371b93..f461b2802529176da22f9017485e3d9e2a5746dc 100644
--- a/build/android/pylib/device/device_utils.py
+++ b/build/android/pylib/device/device_utils.py
@@ -256,8 +256,14 @@ class DeviceUtils(object):
     Returns:
       Path to the apk on the device if it exists, None otherwise.
     """
+    # 'pm path' is liable to incorrectly exit with a nonzero number starting
+    # in Lollipop.
+    # TODO(jbudorick): Check if this is fixed as new Android versions are
+    # released to put an upper bound on this.
+    should_check_return = (self.build_version_sdk <
+                           constants.ANDROID_SDK_VERSION_CODES.LOLLIPOP)
     output = self.RunShellCommand(['pm', 'path', package], single_line=True,
-                                  check_return=True)
+                                  check_return=should_check_return)
     if not output:
       return None
     if not output.startswith('package:'):