manual jetify

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

@@ -1,6 +1,6 @@
 package com.reactnativecommunity.webview;
 
-import androidx.core.content.FileProvider;
+import android.support.v4.content.FileProvider;
 
 /**
  * Providing a custom {@code FileProvider} prevents manifest {@code <provider>} name collisions.

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

@@ -13,8 +13,8 @@ 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.support.annotation.RequiresApi;
+import android.support.v4.content.ContextCompat;
 import android.text.TextUtils;
 import android.view.Gravity;
 import android.view.View;

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

@@ -11,9 +11,9 @@ import android.os.Build;
 import android.os.Environment;
 import android.os.Parcelable;
 import android.provider.MediaStore;
-import androidx.annotation.RequiresApi;
-import androidx.core.content.ContextCompat;
-import androidx.core.content.FileProvider;
+import android.support.annotation.RequiresApi;
+import android.support.v4.content.ContextCompat;
+import android.support.v4.content.FileProvider;
 import android.util.Log;
 import android.webkit.MimeTypeMap;
 import android.webkit.ValueCallback;