!10268 [MS][LITE]20201216 detection demo check some photos exits unexpectedly

From: @sishuikang
Reviewed-by: @zhanghaibo5,@zhang_xue_tong
Signed-off-by: @zhanghaibo5

model_zoo/official/lite/object_detection/app/src/main/java/com/mindspore/hiobject/objectdetect/PhotoActivity.java

@@ -80,7 +80,7 @@ public class PhotoActivity extends AppCompatActivity {
         Pair<Integer, Integer> targetedSize = this.getTargetSize();
         int targetWidth = targetedSize.first;
         int maxHeight = targetedSize.second;
-        originBitmap = BitmapUtils.loadFromPath(this, imageUri, targetWidth, maxHeight);
+        originBitmap = BitmapUtils.loadFromPath(this, imageUri, targetWidth, maxHeight).copy(Bitmap.Config.ARGB_8888, true);
         // Determine how much to scale down the image.
         Log.i(TAG, "resized image size width:" + originBitmap.getWidth() + ",height: " + originBitmap.getHeight());
         if (originBitmap != null) {