Revert "[SRUK] Bitmap adaptor patch 1 of 1 - Replace all uses of the Bitmap class...

Revert "[SRUK] Bitmap adaptor patch 1 of 1 - Replace all uses of the Bitmap class with new simpler type ImageData in core / adaptor communication"

This reverts commit 9a99538f3f37b8ba25d9f96f4d7242382a0d19c5.

!! Note !!  This code is good but we want to delay this series of
Adaptor changes until late May for client stability reasons.

Change-Id: Ic72a1f3ff9fba01ef7d58aa91171fa21696f526f
Signed-off-by: Andrew Cox <andrew.cox@partner.samsung.com>