Call into validateBufferSize and getTransportSize

After adding validateBufferSize and getTransportSize,
call into these functions if they have been implemented

This reverts commit 5e01b1411afdecc94ab7e60b92ad02672eb5f759.
Reason for revert: Merge once targets w/ gralloc0 dependency have been updated

Bug: 130669566
Test: build, boot
Change-Id: Ic20a62c5e73f517028a358548442d59c9cf91cdf
1 file changed