add FLAG_ACTIVITY_NEW_TASK

Author: Danh Nguyen

android/src/main/java/com/RNFetchBlob/RNFetchBlob.java

@@ -119,6 +119,8 @@ public void actionViewIntent(String path, String mime, final Promise promise) {
 
                 // Set flag to give temporary permission to external app to use FileProvider
                 intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
+                 // All the activity to be opened outside of an activity
+                intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 
                 // Validate that the device can open the file
                 PackageManager pm = getCurrentActivity().getPackageManager();