gralloc1 : initial implementation

Initial implementation of the gralloc1 APIs

Change-Id: I3b01595b0f9b30d9a08d02101fe42281556bd6a2
diff --git a/common.mk b/common.mk
index 62bd128..dea9dc0 100644
--- a/common.mk
+++ b/common.mk
@@ -16,7 +16,11 @@
 #Common C flags
 common_flags := -DDEBUG_CALC_FPS -Wno-missing-field-initializers
 common_flags += -Wconversion -Wall -Werror
-common_flags += -isystem $(display_top)/libgralloc
+ifneq ($(TARGET_USES_GRALLOC1), true)
+    common_flags += -isystem $(display_top)/libgralloc
+else
+    common_flags += -isystem $(display_top)/libgralloc1
+endif
 
 ifeq ($(TARGET_USES_POST_PROCESSING),true)
     common_flags     += -DUSES_POST_PROCESSING