Merge pull request #11027 from huchengtw-moz/system/bug_888821_ua_profile_configuration_based_on_mcc_mnc

Bug 888821 - B2G MMS: UA profile configuration based on MNC and MCC. r=archurcc(cherry picked from commit 4ec7c428f6a63a44f888ea6f6ade0385c89ae305)

Conflicts:
	apps/system/js/operator_variant/operator_variant.js
Revert "Merge pull request #10983 from gaye/bug-889396"

This reverts commit d19a13c8a54411bba0a80c6a23d1b6cda9deb93f.
Merge remote-tracking branch 'huchengtw-moz/system/Bug_888821-v1-train' into v1-train
Merge pull request #11052 from ian-liu/email/Bug891641_Browser_links_in_received_emails_are_unselectable_if_file_attachments_are_present

Bug 891641 - [B2G] [Leo] [Email] Browser links in received emails are unselectable if file attachments are present, r=@asutherland (cherry picked from commit afde38e7be5455d5d634c58a60a4d8009e0e7034)
Merge pull request #11016 from ganesh7/887698

Bug 887698 - [OTA] [Data Migration] [Calendar] Calendar blank screen aft...
(cherry picked from commit 8351189ec721605f572f9f7866df34e425743125)
Merge pull request #11085 from leob2g/bug_896296_disabling_focus_ring_ui

Bug 896296 - [Camera] handling the focus ring UI when camera visibility changes. r=daleharvey
(cherry picked from commit dbfdb20497a042280edcd97dd2b66a5be222e595)
Merge pull request #11077 from mcirlanaru/bug_894263

Bug 894263 - Power saving mode should be disabled after switching... r=@alivedise
(cherry picked from commit 760884db3f08ba9e8f05fe101e121ee8876d8adc)
Merge pull request #10944 from lissyx/bug892908

Bug 892908 - Prevent onsubmit from reloading system app from STK
(cherry picked from commit fa6a7d2530ce4a383ee440d8197930afbf03b3f9)
Merge pull request #11112 from steveck-chung/bug-895307

Bug 895307 - [SMS] should detect phone numbers when then word before it ends with a number. r=steveck-chung
(cherry picked from commit cbaae06aa3712dd632deb47fcf3c0ab4f58993ae)
Merge pull request #11116 from lissyx/bug894338

Bug 894338 - Fix Sao Paulo name, r=kaze
(cherry picked from commit d6db2aa8b39384433969cc807f9fbf5500aec21b)
Merge pull request #11121 from alivedise/bugzilla/896773/do-callback

Bug 896773 - Do invoke callback anytime in window manager, r=timdream, a=leo+
(cherry picked from commit bcc157b46e364856cdbc1eaa0ce159f2e10df1d6)
Merge pull request #11131 from lightsofapollo/bug-876788

Bug 876788 - Fix bug where Caldav Provider fired syncEvents sync instead...
(cherry picked from commit 7d87257a0912599bb4fed88510db26024e499ad9)