feat(Android): webrtc permission request - conflicts fixed (#719)

* fix(Android): WebRTC permission request (#231)

* fix(Android):  Avoid unintentionally granting requests for new permissions (#231)

* ContextCompat import migrated to androidx new artifact

* RNCWebViewManager.java original format restored

android/src/main/java/com/reactnativecommunity/webview/RNCWebViewManager.java

 import android.app.DownloadManager;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.graphics.Bitmap;
 import android.graphics.Color;
+import android.Manifest;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Environment;
 import androidx.annotation.RequiresApi;
+import androidx.core.content.ContextCompat;
 import android.text.TextUtils;
 import android.view.Gravity;
 import android.view.View;
 import android.webkit.DownloadListener;
 import android.webkit.GeolocationPermissions;
 import android.webkit.JavascriptInterface;
+import android.webkit.PermissionRequest;
 import android.webkit.URLUtil;
 import android.webkit.ValueCallback;
 import android.webkit.WebChromeClient;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.net.URLEncoder;
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Locale;
 import java.util.Map;
       return true;
     }
 
+    // Fix WebRTC permission request error.
+    @Override
+    public void onPermissionRequest(final PermissionRequest request) {
+      String[] requestedResources = request.getResources();
+      ArrayList<String> permissions = new ArrayList<>();
+      ArrayList<String> grantedPermissions = new ArrayList<String>();
+      for (int i = 0; i < requestedResources.length; i++) {
+        if (requestedResources[i].equals(PermissionRequest.RESOURCE_AUDIO_CAPTURE)) {
+          permissions.add(Manifest.permission.RECORD_AUDIO);
+        } else if (requestedResources[i].equals(PermissionRequest.RESOURCE_VIDEO_CAPTURE)) {
+          permissions.add(Manifest.permission.CAMERA);
+        }
+        // TODO: RESOURCE_MIDI_SYSEX, RESOURCE_PROTECTED_MEDIA_ID.
+      }
+
+      for (int i = 0; i < permissions.size(); i++) {
+        if (ContextCompat.checkSelfPermission(mReactContext, permissions.get(i)) != PackageManager.PERMISSION_GRANTED) {
+          continue;
+        }
+        if (permissions.get(i).equals(Manifest.permission.RECORD_AUDIO)) {
+          grantedPermissions.add(PermissionRequest.RESOURCE_AUDIO_CAPTURE);
+        } else if (permissions.get(i).equals(Manifest.permission.CAMERA)) {
+          grantedPermissions.add(PermissionRequest.RESOURCE_VIDEO_CAPTURE);
+        }
+      }
+
+      if (grantedPermissions.isEmpty()) {
+        request.deny();
+      } else {
+        String[] grantedPermissionsArray = new String[grantedPermissions.size()];
+        grantedPermissionsArray = grantedPermissions.toArray(grantedPermissionsArray);
+        request.grant(grantedPermissionsArray);
+      }
+    }
+
     @Override
     public void onProgressChanged(WebView webView, int newProgress) {
       super.onProgressChanged(webView, newProgress);
       }
     }
   }
-}
+}