[camera_android_camerax] Remove nonnull annotation from getDefaultPointSize (flutter#8292)

The primitive float type cannot be null, so the annotation is meaningless.

- [NA] I [linked to at least one issue that this PR fixes] in the description above.
- [NA] I added new tests to check the change I am making, or this PR is [test-exempt].

Author: ChristianEdwardPadilla

packages/camera/camera_android_camerax/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.6.10+1
+
+* Removes nonnull annotation from MeteringPointHostApiImpl#getDefaultPointSize.
+
 ## 0.6.10
 
 * Removes logic that explicitly removes `READ_EXTERNAL_STORAGE` permission that may be implied

packages/camera/camera_android_camerax/android/src/main/java/io/flutter/plugins/camerax/MeteringPointHostApiImpl.java

@@ -83,7 +83,6 @@ public DisplayOrientedMeteringPointFactory getDisplayOrientedMeteringPointFactor
      * Returns the default point size of the {@link MeteringPoint} width and height, which is a
      * normalized percentage of the sensor width/height.
      */
-    @NonNull
     public float getDefaultPointSize() {
       return MeteringPointFactory.getDefaultPointSize();
     }

packages/camera/camera_android_camerax/pubspec.yaml

@@ -2,7 +2,7 @@ name: camera_android_camerax
 description: Android implementation of the camera plugin using the CameraX library.
 repository: https://github.com/flutter/packages/tree/main/packages/camera/camera_android_camerax
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+camera%22
-version: 0.6.10
+version: 0.6.10+1
 
 environment:
   sdk: ^3.5.0