wifi: Add API to indicate (STA) + Bridged AP supported (Part 4)

AP+AP Part 4 includes:
1. Support API to indicate Bridged AP supported or not
2. Interface idx mechanism. I.e. STA+STA support, AP+AP will take wlan2 & wlan3

Bug: 162686273
Test: atest FrameworksWifiApiTests
Change-Id: Ic56700f58671ec3daaf05942eab06e0568465210
diff --git a/framework/api/current.txt b/framework/api/current.txt
index 911f2fb..c6cef29 100644
--- a/framework/api/current.txt
+++ b/framework/api/current.txt
@@ -331,6 +331,7 @@
     method public boolean is5GHzBandSupported();
     method public boolean is6GHzBandSupported();
     method @RequiresPermission(android.Manifest.permission.ACCESS_WIFI_STATE) public boolean isAutoWakeupEnabled();
+    method public boolean isBridgedApConcurrencySupported();
     method @Deprecated public boolean isDeviceToApRttSupported();
     method public boolean isEasyConnectSupported();
     method public boolean isEnhancedOpenSupported();
@@ -341,6 +342,7 @@
     method @Deprecated public boolean isScanAlwaysAvailable();
     method @RequiresPermission(android.Manifest.permission.ACCESS_WIFI_STATE) public boolean isScanThrottleEnabled();
     method public boolean isStaApConcurrencySupported();
+    method public boolean isStaBridgedApConcurrencySupported();
     method public boolean isTdlsSupported();
     method public boolean isWapiSupported();
     method public boolean isWifiEnabled();