Add max width to the screen instructions view text

- This ensures that the instruction wraps if the text is too long

Fixes: 328577545
Fixes: 345128488
Flag: EXEMPT bugfix
Test: Visual inspection of instructions view in different languages/form
      factors
Change-Id: I73e889372a5c482277b0e4b61fb834304304c0a6
Merged-In: I73e889372a5c482277b0e4b61fb834304304c0a6
(cherry picked from commit 73cf3bc3)