Fixed file permissions for Android 10

(cherry picked from commit 4e1952ffafa5b64988b0cff533fe497fabce86a6)

app/src/main/AndroidManifest.xml

@@ -21,6 +21,7 @@
         android:hardwareAccelerated="true"
         android:usesCleartextTraffic="true"
         android:icon="@mipmap/ic_launcher"
+        android:requestLegacyExternalStorage="true"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:label="@string/app_name"
         android:largeHeap="true"