FPII-1847: DO NOT MERGE Check size of pin before replying

If a malicious client set a pin that was too long it would overflow
the pin code memory.

Bug: 27411268
Change-Id: I9197ac6fdaa92a4799dacb6364e04671a39450cc
(cherry picked from commit c49222e89d51117a58cf98a5217691884a8370d6)
1 file changed