Merge pull request #20279 from ian-liu/bluetooth/bug1016716_turning_off_the_bluetooth_should_cancel_pairing_dialog_automatically

Bug 1016716 - [Tarako] Turning off the bluetooth should cancel any incoming request automatically, r=arthur
Merge pull request #20399 from KevinGrandon/bug_1022515_search_dedupe

Bug 1022515 - Marketplace download suggestions still show up even if the app is installed
Merge pull request #20288 from dominickuo/bug-1015837

Bug 1015837 - [System] Sound toast visual refresh, r= alivedise