Size restrict right icon size in notification

This is to prevent large bitmaps from using too much memory in
notifications.

Bug:210690571
Bug:218845090

Test: Tested on device
      atest android.app.cts.NotificationTemplateTest

Change-Id: I2f3d04546af58edbe7bae2b7d856ab3d87365fdf
(cherry picked from commit d6842211)
Merged-In: I2f3d04546af58edbe7bae2b7d856ab3d87365fdf