Bug 959777 - Create generic parent class TwoLineRow for TwoRowPageRow (r=margaret)

--HG--
rename : mobile/android/base/resources/layout/two_line_page_row.xml => mobile/android/base/resources/layout/two_line_row.xml
Bug 959777 - Dynamically build the UI of DynamicPanel from a PanelConfig (r=margaret)