[image_picker_android] Inline sdk guard logic from internal isSystemPickerAvailable$activity_release() (#10314)

Inlines the check, copying the logic and then applying quick fixes that AS suggested to simplify.

Fixes flutter/flutter#177673

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Author: gmackall

packages/image_picker/image_picker_android/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.8.13+7
+
+* Removes reference to internal `isSystemPickerAvailable$activity_release()` method.
+
 ## 0.8.13+6
 
 * Fixes typo in limit parameter validation error message.

packages/image_picker/image_picker_android/android/src/main/java/io/flutter/plugins/imagepicker/ImagePickerUtils.java

@@ -10,8 +10,8 @@
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.os.Build;
+import android.os.ext.SdkExtensions;
 import android.provider.MediaStore;
-import androidx.activity.result.contract.ActivityResultContracts;
 import java.util.Arrays;
 
 final class ImagePickerUtils {
@@ -67,7 +67,9 @@ static boolean needRequestCameraPermission(Context context) {
    */
   @SuppressLint({"NewApi", "ClassVerificationFailure"})
   static int getMaxItems() {
-    if (ActivityResultContracts.PickVisualMedia.isSystemPickerAvailable$activity_release()) {
+    if (Build.VERSION.SDK_INT >= 33
+        || (Build.VERSION.SDK_INT >= 30
+            && SdkExtensions.getExtensionVersion(Build.VERSION_CODES.R) >= 2)) {
       return MediaStore.getPickImagesMaxLimit();
     } else {
       return Integer.MAX_VALUE;

packages/image_picker/image_picker_android/pubspec.yaml

@@ -2,7 +2,7 @@ name: image_picker_android
 description: Android implementation of the image_picker plugin.
 repository: https://github.com/flutter/packages/tree/main/packages/image_picker/image_picker_android
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+image_picker%22
-version: 0.8.13+6
+version: 0.8.13+7
 
 environment:
   sdk: ^3.9.0