TIMOB-10358: Fix image scaling to use imageview to scale instead of doing it ourselves.
TIMOB-10358: Removed canScale property, and adjusted scaling behavior.
TIMOB-10358: Changed scaling behavior for fill.
TIMOB-10358: Don't set height/width as defined if it's size or auto.
Merge pull request #3937 from ayeung/timob-10358

TIMOB-10358: Android: ImageView parity for scaling behavior