Merge "Remove unneeded margin below action bar subtitles" into jb-mr1-dev

                  android:layout_width="wrap_content"

                  android:layout_height="wrap_content"

                  android:layout_marginTop="@dimen/action_bar_subtitle_top_margin"

                  android:layout_marginBottom="@dimen/action_bar_subtitle_bottom_margin"

                  android:singleLine="true"

                  android:ellipsize="end"

                  android:visibility="gone" />