Increase the char limit of carrier_and_update_now_text to 34.

The translation of the carrier_and_update_now_text field
in some European languages requires 34 characters. To
accomodate these requirements increase the character
limit from 30 to 34.

Bug: 76443102
Test: manual
Change-Id: I61c95fc6c30bd98d6b418047ae7cc1f2423a12e0