Allow permission dialog to show more than 2 lines.

Test: manually using the permission prompt in StorageTestApp
Bug: 174495520
Screenshots:
For S (master at HEAD)
Before: https://screenshot.googleplex.com/7wDYYtdymm4tB3P
After:
[1] https://screenshot.googleplex.com/BQwPrqnHodDJaZ2
[2] https://screenshot.googleplex.com/4RiFs2aPdmcQtnE

For R
Before: https://screenshot.googleplex.com/77KNDZLyYi2wsdB.png
After:
[1] https://screenshot.googleplex.com/9pby7QJqeZqigSr.png
[2] https://screenshot.googleplex.com/7MQkrN88KaqPmno.png

Change-Id: Id7d68b7733b953a6f360677808ea1a44d5dd5b95
(cherry picked from commit 4ab4a2f52a516d125064584eb7e443e4dcfe4999)
Merged-In: I6dac872ee35be5d410f7f7331efb740e1ae19336
(cherry picked from commit a2663476a16177afd1240e924e90c80ceaf601ce)
1 file changed