Bug 1053641 - Remove newlines from localized strings describing call forwarding status r=drs

(cherry picked from commit c451052868e71c932311dae95d99857c5b368f49)

Conflicts:
	apps/communications/dialer/locales/dialer.en-US.properties
	apps/communications/dialer/test/unit/mmi_test.js
Merge pull request #25897 from gabrielesvelto/bug-1053641-v2.0-uplift

Bug 1053641 - Remove newlines from localized strings describing call forwarding status r=drs