Android: Rename the wrapper classes

Change-Id: I2ce15c8475da3186f128ba59b7c58f9b5b0a67e1
Reviewed-by: Yoann Lopes <yoann.lopes@digia.com>
Make it possible to build multimedia for embedded Android

Change-Id: I3400b18379242ea4d1b4f94f5da6b60c64d551e4
Reviewed-by: Yoann Lopes <yoann.lopes@digia.com>
Android: Don't expose java calls in the control classes.

Makes the abstraction more clear.

Change-Id: Ia9a7b0b157e1182158cd26b62775d13f6c5e1727
Reviewed-by: Yoann Lopes <yoann.lopes@digia.com>