Revert "Minimal changes to support multi-display HWC"

This reverts commit bddd724b178b1263c16e41b564165fcd0e93ff83

Change-Id: Ib7db20b5b3de4779b6e173473a33976ae398abd4
diff --git a/opengl/tests/hwc/hwcTestLib.h b/opengl/tests/hwc/hwcTestLib.h
index d7d5837..db3f5c1 100644
--- a/opengl/tests/hwc/hwcTestLib.h
+++ b/opengl/tests/hwc/hwcTestLib.h
@@ -113,11 +113,11 @@
 const char *hwcTestGraphicFormat2str(uint32_t format);
 std::string hwcTestRect2str(const struct hwc_rect& rect);
 
-hwc_display_contents_1_t *hwcTestCreateLayerList(size_t numLayers);
-void hwcTestFreeLayerList(hwc_display_contents_1_t *list);
-void hwcTestDisplayList(hwc_display_contents_1_t *list);
-void hwcTestDisplayListPrepareModifiable(hwc_display_contents_1_t *list);
-void hwcTestDisplayListHandles(hwc_display_contents_1_t *list);
+hwc_layer_list_1_t *hwcTestCreateLayerList(size_t numLayers);
+void hwcTestFreeLayerList(hwc_layer_list_1_t *list);
+void hwcTestDisplayList(hwc_layer_list_1_t *list);
+void hwcTestDisplayListPrepareModifiable(hwc_layer_list_1_t *list);
+void hwcTestDisplayListHandles(hwc_layer_list_1_t *list);
 
 uint32_t hwcTestColor2Pixel(uint32_t format, ColorFract color, float alpha);
 void hwcTestColorConvert(uint32_t fromFormat, uint32_t toFormat,