Fix gifbitmap tests in wrong package

library/src/test/java/com/bumptech/glide/load/resource/drawable/GifBitmapResourceDecoderTest.java → library/src/test/java/com/bumptech/glide/load/resource/gifbitmap/GifBitmapResourceDecoderTest.java

-package com.bumptech.glide.load.resource.drawable;
+package com.bumptech.glide.load.resource.gifbitmap;
 
 import android.graphics.Bitmap;
 import android.os.ParcelFileDescriptor;
@@ -7,8 +7,6 @@ import com.bumptech.glide.load.ResourceDecoder;
 import com.bumptech.glide.load.model.ImageVideoWrapper;
 import com.bumptech.glide.load.resource.gif.GifData;
 import com.bumptech.glide.load.resource.gif.GifDrawable;
-import com.bumptech.glide.load.resource.gifbitmap.GifBitmapWrapper;
-import com.bumptech.glide.load.resource.gifbitmap.GifBitmapWrapperResourceDecoder;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;

library/src/test/java/com/bumptech/glide/load/resource/drawable/GifBitmapResourceEncoderTest.java → library/src/test/java/com/bumptech/glide/load/resource/gifbitmap/GifBitmapResourceEncoderTest.java

-package com.bumptech.glide.load.resource.drawable;
+package com.bumptech.glide.load.resource.gifbitmap;
 
 import android.graphics.Bitmap;
 import com.bumptech.glide.Resource;

library/src/test/java/com/bumptech/glide/load/resource/drawable/GifBitmapStreamResourceDecoderTest.java → library/src/test/java/com/bumptech/glide/load/resource/gifbitmap/GifBitmapStreamResourceDecoderTest.java

-package com.bumptech.glide.load.resource.drawable;
+package com.bumptech.glide.load.resource.gifbitmap;
 
 import com.bumptech.glide.Resource;
 import com.bumptech.glide.load.ResourceDecoder;