libgralloc: Change CAMERA_HEAP to ADSP_HEAP

This changes GRALLOC_USAGE_PRIVATE_CAMERA_HEAP to
GRALLOC_USAGE_PRIVATE_ADSP_HEAP as the CAMERA_HEAP
is not used anymore

Change-Id: I5a95f68c4c7f4445ade2398dd239faad9ed16b22
diff --git a/libgralloc/alloc_controller.cpp b/libgralloc/alloc_controller.cpp
index 20f7973..9af52c9 100644
--- a/libgralloc/alloc_controller.cpp
+++ b/libgralloc/alloc_controller.cpp
@@ -196,8 +196,8 @@
     if(usage & GRALLOC_USAGE_PRIVATE_MM_HEAP)
         ionFlags |= ION_HEAP(ION_CP_MM_HEAP_ID);
 
-    if(usage & GRALLOC_USAGE_PRIVATE_CAMERA_HEAP)
-        ionFlags |= ION_HEAP(ION_CAMERA_HEAP_ID);
+    if(usage & GRALLOC_USAGE_PRIVATE_ADSP_HEAP)
+        ionFlags |= ION_HEAP(ION_ADSP_HEAP_ID);
 
     if(usage & GRALLOC_USAGE_PROTECTED && !noncontig)
         ionFlags |= ION_SECURE;