Merge pull request #20232 from jmcanterafonseca/fix_import_sim_dups_2

Bug 1021548 - Importing second time from SIM card yields to errors in th...
Merge pull request #20687 from RudyLu/keyboard/Bug1023164-Shift_key_style

Bug 1023164 - [Keyboard] Shift Key for Caps Visual improvement.
r=timdream.
Merge pull request #21087 from 6a68/bug-1030597-blank-fmd-settings-panel

Bug 1030597 - Always show some find my device panel by default. r=arthur...