TIMOB-16048: Only use measured height from content view if it's greater ...

...than 1 (default size for image view is 1)

https://jira.appcelerator.org/browse/TIMOB-16048

Test case in Jira.

Please also test:
https://jira.appcelerator.org/browse/TIMOB-12658
https://jira.appcelerator.org/browse/TIMOB-14359
KS (Table view section)