libdmabufinfo: Remove ReadDmaBufPss
ReadDmaBufPss was introduced to aid accounting DMA buffers
in memtrack hal implemetations.
It is no longer reccommended for memtrack hal use,
since it only accounts CPU-mapped buffers will miss the set of
GPU only mapped buffers.
The underlying dma-buf mmap_count that this depends on to be
fast, also introduced bugs due to changing the vm_ops to do the
accounting.
Remove now unused ReadDmaBufPss.
Bug: 192459295
Test: dmabufinfo_test
Change-Id: I881933f36f97015ea5a26059eb5310ea445adc92
Merged-In: I881933f36f97015ea5a26059eb5310ea445adc92
3 files changed
