[Exposed Dropdown Menu] Filtering incorrectly applied after rotation

Description: It seems that in some cases filtering is incorrectly applied to AutocompleteTextView after rotating the device which causes that all options except for the selected one disappear from Dropdown Menu.

Steps to reproduce:

1. Open Material Catalog app
2. Go to TextField -> Exposed Dropdown Menu Demo
3. Tap on 4th TextField from the top and select any value from the dropdown menu.
4. Rotate the device to landscape and back to portrait
5. Try to select a value from any of the 4 TextFields

The result is that those Dropdowns are now showing only 1 value instead of all of them.

Expected behavior: All TextField Dropdown Menus should show all values after device rotations

Android API version: Tested on Android 10 and Android 11 Beta

Material Library version: Checked on 1.3.0-alpha01 and 1.2.0-beta01

Device: Google Pixel 3 and Emulator