Deprecate SoftApConfiguration#get/setSsid() and use get/setWifiSsid()

Deprecate the usage of SoftApConfiguration#get/setSsid() since these
operate on unquoted UTF-8 SSIDs and are not compatible with non-UTF-8
SSIDs. Instead, use get/setWifiSsid() to allow usage of non-UTF-8 SSIDs.

Bug: 136480579
Test: atest FrameworksWifiTests
Change-Id: Ic0d849413141ad689478f7487885bff51ccdf65e
6 files changed