Merge pull request #20810 from flodolo/bug1028250

Bug 1028250 - [contacts] Remove unused strings custom.placeholder. r=francisco
Bug 1028270 - Edge swipes should dismiss the activity picker
Bug 1028154 - Dismiss value selectors when an edge gesture starts transitioning.
Bug 1026240 - Removing unnecessary will-change uses in the system app.
Merge pull request #20876 from pacorampas/aligment-buttons-oncall-1028126

Bug 1028126 - [Dialer][Call screen] In incoming call the buttons haven't a good alignment r=etienne
Merge pull request #20664 from anefzaoui/bug-888815

Bug 888815 - [RTL] Notification stamp r=etienne
Merge pull request #20783 from pacorampas/filter-call-log-1026387

Bug 1026387 - [Dialer][Call log] 'missed' highlighted when tapping edit and back, then tapping 'all' r=me
Bug 1024131 - updated homescreen app icons' role to link for consistency with other apps. r=crdlc
Bug 1019546 - [Dialer][Visual Refresh] Fix dialpad and contacts overlapping when moving from one to the other. r=etienne
Bug 1019546 - [Dialer] Ensure AccessibilityHelper is loaded before using it. r=etienne
Bug 1028159 - Target intermittent failure in test_edit_contact.py
Merge pull request #20701 from Rik/missed-notification-1017333

Bug 1017333 - Clear notifications when we open the call log
Merge pull request #20355 from wilsonpage/1021492

Last Comment Bug 1021492 - [Camera] Use bower to manage dependencies in the lib/vendor directory
Revert "Bug 1017333 - Clear notifications when we open the call log"

This reverts commit 9cdc9343f7eec62182d2cc25c022fc8947ddc037.
Bug 990482 - [Camera][UX] Swipe gesture should work on camera mode switcher
Merge pull request #20402 from yzen/bug-1024131

Bug 1024131 - updated homescreen app icons' role to link for consistency...
Merge pull request #20141 from r-gaia-cs/bug-1021500

Bug 1021500 - Keep layouts consistent. r=janjongboom
Run existing calendar interop tests against radicale
Bug 1000173 - Display User Icon in Settings When FMD is Remotely Tracking Device
Merge pull request #20807 from etiennesegonzac/bug-1026240-will-change-overuse

Bug 1026240 - Removing unnecessary will-change uses in the system app. r=21