Fix OMX dependencies.

Note, filed b/62923763 to cleanup xmlparser includes.

Bug: 37343418
Test: builds with BOARD_VNDK_VERSION=current
Test: (sanity) YouTube on a device
Test: (sanity) Camera on a device
Test: (sanity) watch (part of a) movie on a device
Test: (sanity) YouTube on marlin
Test: (sanity) Camera on marlin
Test: (sanity) watch (part of a) movie on marlin
Test: (sanity) YouTube on angler
Test: (sanity) Camera on angler
Test: (sanity) watch (part of a) movie on angler

Change-Id: I461f999122da56cabb9d4d15b182899ced3b0120
Merged-In: I461f999122da56cabb9d4d15b182899ced3b0120