Improve wps pincode input
Improve wps pincode input

Limit the length and input style of wps pin.

Change-Id: I60bd93322f683085424c9ac9c35ce9e0bb99f26c
Signed-off-by: Irfan Sheriff <8881c68cceb735cfc94c4c943482a53dec18db64@google.com>
Signed-off-by: Yoshihiko Ikenaga <fd7d1e626a5499755b3fb35a303227101e33796b@jp.sony.com>

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base