Implement orientation_lock and orientation_unlock API

Implement orientation_lock and orientation_unlock API

This is a very basic implementation of orientation lock/unlock API:
http://www.w3.org/TR/screen-orientation/, based on current Chromium Android
implementation. Android's version has been stripped from Android specific
Start/StopAccurateListening methods, which will be provided in next patch.

This patch deprecates EWK API's ewk_view_orientation_lock_callback_set.

Together with: I51b8692482780fad707c723768b66dc776aa63cb
Reviewed by: Hyunhak Kim, Janusz Majnert, Karol Furmaniak, Piotr Grad, Tomasz Weglarski

Change-Id: I7569d94341c4de84b16066aab555822febacb03f
Signed-off-by: Michał Pakuła vel Rutka <m.pakula@samsung.com>
Signed-off-by: Tomasz Weglarski <t.weglarski@samsung.com>