Bug 970340 - [Download Manager]A file with a size >1GB is not displayed successfully
Bug 972188 - Don't call pair() for incoming file transfers
Bug 965346 - Part 2: Update airplane mode status whenever _enabled flag is changed. r=alive
Bug 964342: Send language setting to basket.

* Add error codes to basket client.
* Use error code for invalid email instead of looking for a message.
* Add timeout handling for call to basket.
Bug 969217 - Improvement for the function of sharing of URLs. r=alive
Bug 963445 - [UITest][API] refactor tests using Building Blocks
Bug 973490 - [TestAgent] don't run `npm install` if `npm ink` is used r=yurenju
Bug 962649 - Be nicer to the event loop during edge gestures.
Bug 971268 - Enable bookmark icon for results launched from search app
Bug 971452 - [System2] Instantiable ActivityWindowFactory
Bug 921723 - Move the progress indicator on the below of time-header.
Bug 973783 - Fix intermittent failure of test_cost_control_data_alert_mobile.py
Bug 973648 - in the input area BB allow to create a reset button by style
Bug 941484 - [System2] Fix bootstrap test ordering
Bug 972245 - Photos can appear distorted in the call log and in the SMS app(SMS part)
Merge pull request #16359 from evanxd/bug-921723

Bug 921723 - Sync progress indicator persists onto day view
Bug 971495 - [System2] Instantiable HardwareButton
Merge pull request #16384 from KevinGrandon/bug_941484_follow_up

Bug 941484 - [System2] Fix bootstrap test ordering
Merge pull request #16356 from luke-chang/971452_instantiable_activity_window_factory

Bug 971452 - [System2] Instantiable ActivityWindowFactory, r=alive
Merge pull request #16292 from saminath/nfc_url_improve_4

Bug 969217 - Improvement for the function of sharing of URLs. r=alive