Merge pull request #14455 from ethantseng/rtsp/bug928332

Bug 928332 - [RTSP][Gaia] Support RTSP in Video apps., r=johnhu
(cherry picked from commit ff703bf2c0baaf06b2b74144bec9b9cc99f22404)
Merge pull request #14593 from huchengtw-moz/video/Bug_928332-v1.3

Merge pull request #14455 from ethantseng/rtsp/bug928332
Bug 928292 - [DSDS] SIM PIN Unlock Dialog
Bug 948852 - Fix the event creation error
Bug 921390 - Display operator name for each SIM on the lockscreen of DSDS devices
Merge pull request #14488 from RudyLu/keyboard/Bug888253-keyboard_settings_migration

 Bug 888253 - Settings data migration for keyboard layouts.
r=gnarf, gary, yuren(cherry picked from commit 51ed5c6b6bda46284e797648b4b44dc9f804b14b)
a=koi+
Bug 946176 - [e.me][Bug] Collections Tapping issues [r=evyatar]