Disable header deprecation warnings

These deprecated headers are still included internally in libqdmetadata,
but also in the hardware/qcom/display, in the version that is available
for FP3 as of now.

The warnings spam the build log, but are caused by Qualcomm/Codeaurora
code only anyway.

Issue: FP3-A11#181
Change-Id: I31088d533a5203bf5862a9dd273c360970e38022
3 files changed