Force 4 bytes padding to avoid data leak due to uninitialized padding.
Bug: 77237704
Change-Id: I3922bf62bfa6c78806a6d5fd969e2d9faf067abe
CRs-Fixed: 2257685
Implement the hidl .hal interfaces directly instead of using the
default shims.
This is required since new additions to .hal will no longer be
added to the legacy gralloc1 C header.
Change-Id: If577a14f75d7d13da0ff656c96ab451d21c910ce