Use un-translated SSID for DPP

WifiConfiguration#SSID may be translated into UTF-8 if SSID translation
is enabled. To allow DPP with devices that don't use SSID translation,
make sure to untranslate the SSID back into the original encoding before
sending it via DPP.

Bug: 278497356
Test: atest DppManagerTest
Change-Id: Iaccdda7a8b1a11e8a6d1f145291bc00dca9cf56c
3 files changed