Fix 2797185: Integrate 3D RecentApps View into system.

This adds 3D recents to the platform.  Enabling it is a
matter of setting 'config_enableRecentApps3D' on devices
capable of supporting it (those with OGLES2.0 at the moment).

Change-Id: Ife7bfe8ca02e7657821b68f915e31b0dab50cd2c