Update Configuration#isScreenWideColorGamut doc

Clarify that the method does not imply the screen is color-managed.
A global color transform may still be applied depending on the user
settings, such as night light, accessibility, Boosted, or Stretched.

Bug: 78012876
Test: builds
Change-Id: Ie9cdf455cf4ca93be2357a5313cd63555ab91ff9
diff --git a/core/java/android/content/res/Configuration.java b/core/java/android/content/res/Configuration.java
index 19b5c45..193e56e 100644
--- a/core/java/android/content/res/Configuration.java
+++ b/core/java/android/content/res/Configuration.java
@@ -1905,6 +1905,10 @@
      * Return whether the screen has a wide color gamut and wide color gamut rendering
      * is supported by this device.
      *
+     * When true, it implies the screen is colorspace aware but not
+     * necessarily color-managed. The final colors may still be changed by the
+     * screen depending on user settings.
+     *
      * @return true if the screen has a wide color gamut and wide color gamut rendering
      * is supported, false otherwise
      */