media: Switch to display_headers lib include

LOCAL_COPY_HEADERS is deprecated and Qualcomm HALs have been
updated to remove its usage. As a consequence, the display headers
are no longer copied to TARGET_OUT_HEADERS, so use the equivalent
header lib instead.

Change-Id: Ic32a979a608bad3831bc0a2c64942f80c5028b01
(cherry picked from commit 0f04f3c6a6b24ad1fab043a817216df408eeba5d)
2 files changed