[OWE] Rename isOweSupported to isEnhancedOpenSupported

Stick to the official WFA marketing name in this public API.

Bug: 125850601
Test: atest com.android.server.wifi
Test: Use Settings to scan and connect to OWE network
Change-Id: I4eb9fb99500d7d56489c00ef0ee2ac571ff162d1
3 files changed