Merge pull request #20945 from russnicoletti/bug-1028835

Bug 1028835 - [dolphin][flame] video list display abnormal for a while while r=johu
Merge pull request #19991 from rnowm/1013296

Bug 1013296 - Compose. Change send button to an paper plane icon. r=steveck-chung
Bug 1029730 - (vertical-homescreen) Search field width changes slightly when invoked
Merge pull request #20930 from gitmai/bug-1029473-enable-balance-query

Bug 1029473 -[Cost Control] Update configuration per country to take adv...
r=salva
Merge pull request #21204 from 6a68/bug-1028943-fmd-erase-media

Bug 1028943 - Only factoryReset() after all calls to delete() finish. r=...
Merge pull request #19598 from pivanov/bug-1008127

Bug 1008127 - [Messages][Refresh] Subject handling in the Composer. r=steveck-chung