docs: Add a warning about -android uiautomator deprecation (#813)

Author: mykola-mokhnach

README.md

@@ -236,6 +236,12 @@ className | This strategy is mapped to the native UiAutomator's `By.clazz` [loca
 -android uiautomator | This strategy is mapped to the native UiAutomator's `UiSelector` [locator](https://developer.android.com/reference/androidx/test/uiautomator/UiSelector)). It is even possible to perform some advanced operations, like scrolling, with this locator type. Check [Guide on UiAutomator Locator Types](docs/uiautomator-uiselector.md) | `⭐⭐⭐⭐` | new UiScrollable(new UiSelector().resourceId(\"android:id/list\")).scrollIntoView(new UiSelector().text(\"Radio Group\"))
 xpath | For elements lookup Xpath strategy the driver uses the same XML tree that is generated by page source API. Only Xpath 1.0 is supported for appium-uiatomator2-server versions below 4.25.0. All server versions starting from 4.25.0 support both Xpath 1.0 and 2.0 | `⭐⭐⭐` | By.xpath("//android.view.View[@text=\"Regular\" and @checkable=\"true\"]")
 
+> [!WARNING]
+> Google is going to [deprecate](https://developer.android.com/training/testing/other-components/ui-automator#ui-automator)
+> and remove `UiCollection`, `UiObject`, `UiScrollable`, and `UiSelector` support from the UiAutomator framework.
+> This will render all `-android uiautomator`-based locators invalid, so please keep it in mind while
+> using them or plan to use them in the future.
+
 
 ## Parallel Tests
 
@@ -1840,8 +1846,8 @@ This exception happens due to a known bug in the [Eclipse's Psychopath](https://
 
 The UiAutomator2 driver provides multiple options for touch gestures automation.
 For simple gestures, like swipe, scroll, drag, double click, fling or pinch use the corresponding
-[gesture shortcuts](#mobile-gesture-commands). 
-You may also use [UiScrollable-based UiAutomator locators](./docs/uiautomator-uiselector.md) 
+[gesture shortcuts](#mobile-gesture-commands).
+You may also use [UiScrollable-based UiAutomator locators](./docs/uiautomator-uiselector.md)
 to automate various scrolling behaviours.
 For more sophisticated gestures
 consider using [W3C actions](https://w3c.github.io/webdriver/#actions).