<AWT Dev> [7] Review request for backport of 8023310- Fix Raw and unchecked warnings java.awt.image classes

[mikhail cherkasov]

Hello all,

Please review a backport for the following bug:
https://bugs.openjdk.java.net/browse/JDK-8023310
webrev:
http://cr.openjdk.java.net/~mcherkas/8023310/webrev.00/ 
<http://cr.openjdk.java.net/%7Emcherkas/8023310/webrev.00/>

Thanks,
Mikhail.