Merge pull request #25927 from mancas/bug1091910_2

[System]Pressing the "battery is low" notification will sometimes cause ...
Merge pull request #25993 from BorisChiou/bug-1091166

Bug 1091166 - Fix the color contrast value when enabling it
Bug 1095825 - instead of checking settings app right away, account for all the transitions and wait for it.
Merge pull request #26033 from gmarty/Bug-1066243-Battery-indicator-not-always-properly-updating-when-charging-disconnecting

Bug 1066243 - [Status Bar][Battery] Battery indicator not always properl...
Merge pull request #26006 from Cwiiis/bug1082675-app-grouping-by-default

Bug 1082675 - Enable homescreen app-grouping permanently. r=kgrandon,crdlc
Bug 1093862 - Make Callscreen not respond to user input while there are no currently handled calls. r=gtorodelvalle, r=thills
Merge pull request #25637 from zbraniecki/1091113-improve-l10n-merge

Bug 1091113 - Don't merge obsolete entity fields. r=stas
Merge pull request #25878 from gitmai/bug-1094753-fix-onhashchanged-method

Bug 1094753 - [Costcontrol] Changing the hash value for '#' does not mai...
r=salva
Bug 1096603 - [Flatfish] [FxA] [FTE] Register/ Log in screen during setup is blank
Bug 1078243 - [Costcontrol] When the Starting day of the reset period is 31th, the app does not calculated correctly the end of the reset period.
Bug 1079692: update video thumbnail title asynchonously so we don't block when the user rotates the phone

fix spelling error in method name

update test busted by spelling correction
Merge pull request #26047 from davidflanagan/bug1079692

Bug 1079692: update video thumbnail title asynchonously so we don't block when user rotates phone r=johnhu
Merge pull request #26079 from cctuan/1096603

Bug 1096603 - [Flatfish] [FxA] [FTE] Register/ Log in screen during setup is blank
Bug 1087184, second part of fix, to allow for undefined emailAddress, related to 3c1668ad793d4f1a40831c46638acef38e0db230
Bug 1069157 - [PDF Viewer] update pdf.js in Gaia
Bug 1093797 - Clear cached picture size when releasing camera.
Merge pull request #26086 from jrburke/bug1087184-email-contact-query-lowercase-fix

Bug 1087184, second part of fix, to allow for undefined emailAddress r=asuth
Bug 1068093 - Remove legacy transition code from the callscreen.  r=drs
Merge pull request #26083 from tamarahills/bugfix/1068093v3

Bug 1068093 - Remove legacy transition code from the callscreen
Merge pull request #25856 from jimporter/ringtones-rtl

Bug 1094450 - Support RTL for ringtones