Actually allow all valid characters in a Wi-Fi SSID.
Actually allow all valid characters in a Wi-Fi SSID.

By default . doesn't match line terminators, which are valid
characters in a Wi-Fi SSID.

Bug: 19990569
Change-Id: Id4802ef3f020075238d24bcd5529eaf1c18c90dd

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