Adding deps for OmxCore_headers and gralloc_headers

Since libOmxCore and gralloc.$(TARGET_BOARD_PLATFORM) will
not be copying headers

Bug: 33241851
Test: Compile sailfish and pass cts-camera tests
Change-Id: Ia14c2f07b15379e8ca82de865a8b1004280f6ea1
2 files changed