base

MTP: Don't attempt to read more than 16K at a time from the MTP driver DO NOT MERGE

This could happen sometimes if other operations increased the size of the
data packet buffer to > 16K

Change-Id: I10f85f0ce32df39f46b0a984361958c0a13f6800
Signed-off-by: Mike Lockwood <lockwood@google.com>