SAP profile requires 16 pin length authentication for BT 1.2/2.0 devices as per specification. These changes were present for hciops pluging, the current changes are for Management operations plugin. Change-Id: I4c27c3f833a001dfe7a4abf3db42253939544658 Signed-off-by: Prabhakaran Mc <prabhakaranmc@codeaurora.org>