Steps to reproduce:
1. Open attached project
2. Switch to android platform
3. If textures are not set to be compressed with ETC do so by clicking on the image and in "Format" option and select RGB Compressed ETC 4bits. Also, tick split alpha channel option
4. Go to window->Sprite Packer
5. Select "not_correct" Packing tag in the Sprite Packer window
6. Press "Pack"
-image get corrupted and looks nothing alike to the selected images which we packed(inspect the attached image)

Actual result: image get corrupted and looks nothing alike to the selected images which we packed(inspect the user attached "not_correct" image)
Expected result: images should be packed next to each other like when packing with "correct" tag(inspect the user has attached "correct" image).

Reproduced on: 5.4.3f1, 5.5.1f1, 5.6.0b9