libmemtrack: Update the flags field for sparse memory type

A new entry is added in the kgsl driver to the flags field
of a memory entry which sets 'P' if the memory is of type
sparse physical allocation, through this changeID:
Ifaa687b036eeab22ab4cf0238abdfbe7b2311ed3
By Carter Cooper <ccooper@codeaurora.org>
Hence, update the parsing of memory entry's flags field's
value accordingly.

CRs-Fixed: 2001688
Change-Id: I15ab1cac5d31c96f6602929a2919eb867d2108fd
1 file changed