AJCORE-1261 Fixed issues found using static analysis tool

Added private copy and assignement constructors to cng crypto
files.

Change-Id: I57f4ab090bb6313413c24e2f7caa54ac88582eea
Signed-off-by: George Nash <georgen@qce.qualcomm.com>
Merge "AJCORE-1261 Fixed issues found using static analysis tool" into RB14.12