android11 前摄默认为2M像素，后摄默认5M像素

--- a/alps/vendor/mediatek/proprietary/packages/apps/Camera2/feature/setting/picturesize/src/com/mediatek/camera/feature/setting/picturesize/PictureSize.java
+++ b/alps/vendor/mediatek/proprietary/packages/apps/Camera2/feature/setting/picturesize/src/com/mediatek/camera/feature/setting/picturesize/PictureSize.java
@@ -257,7 +257,8 @@ public class PictureSize extends Settingbase implements
             List entryValues = getEntryValues();
             for (String value : entryValues) {
                 if (PictureSizeHelper.getStandardAspectRatio(value) == fullRatio) {
-                    valueInStore = value;
+                    //valueInStore = value;
+                    valueInStore =PictureSizeHelper.getMaxPictureSize(getEntryValues());
                     break;
                 }
             }
android@android:/sdb/mt6761/alps$ git diff vendor/mediatek/proprietary/packages/apps/Camera2/feature/setting/picturesize/src/com/mediatek/camera/feature/setting/picturesize/PictureSizeHelper.java
diff --git a/alps/vendor/mediatek/proprietary/packages/apps/Camera2/feature/setting/picturesize/src/com/mediatek/camera/feature/setting/picturesize/PictureSizeHelper.java b/alps/vendor/mediatek/proprietary/packag
index d2f9ec9..3627b6f 100755
--- a/alps/vendor/mediatek/proprietary/packages/apps/Camera2/feature/setting/picturesize/src/com/mediatek/camera/feature/setting/picturesize/PictureSizeHelper.java
+++ b/alps/vendor/mediatek/proprietary/packages/apps/Camera2/feature/setting/picturesize/src/com/mediatek/camera/feature/setting/picturesize/PictureSizeHelper.java
@@ -279,6 +279,23 @@ public class PictureSizeHelper {
         return ratio;
     }
 
+       //2021.10.10 by lwz add begin.
+    public static String getMaxPictureSize(List supportedEntryValues){
+        int temp=0;
+        int maxSize=0;
+        int maxIndex=0;
+        for (int i=0;i< supportedEntryValues.size();i++) {   
+            Size size = valueToSize(supportedEntryValues.get(i));
+            temp = size.width * size.height;        
+            if (temp > maxSize) {
+                maxSize = temp;
+                maxIndex = i;
+            }
+        }
+        return supportedEntryValues.get(maxIndex);
+    }
+    //add end.
+
     private static List pickUpToThree(List sizes) {
         if (sDegressiveRatio == 0 || sMaxCount == 0) {
             return sizes;