Add camera as an ATRACE tag

Change-Id: Ib4f22d593836c4b973d122efa114d359f1529914
diff --git a/include/utils/Trace.h b/include/utils/Trace.h
index 4219206..e5cc7ec 100644
--- a/include/utils/Trace.h
+++ b/include/utils/Trace.h
@@ -51,7 +51,8 @@
 #define ATRACE_TAG_SYNC_MANAGER     (1<<7)
 #define ATRACE_TAG_AUDIO            (1<<8)
 #define ATRACE_TAG_VIDEO            (1<<9)
-#define ATRACE_TAG_LAST             ATRACE_TAG_VIDEO
+#define ATRACE_TAG_CAMERA           (1<<10)
+#define ATRACE_TAG_LAST             ATRACE_TAG_CAMERA
 
 #define ATRACE_TAG_VALID_MASK ((ATRACE_TAG_LAST - 1) | ATRACE_TAG_LAST)