Add new resources trace.

Change-Id: Iab8c1ef51f491e818fb4bab0ba7a042f0d9bec9a
diff --git a/cmds/atrace/atrace.cpp b/cmds/atrace/atrace.cpp
index 76ba81f..06e9744 100644
--- a/cmds/atrace/atrace.cpp
+++ b/cmds/atrace/atrace.cpp
@@ -80,6 +80,7 @@
     { "video",      "Video",            ATRACE_TAG_VIDEO, { } },
     { "camera",     "Camera",           ATRACE_TAG_CAMERA, { } },
     { "hal",        "Hardware Modules", ATRACE_TAG_HAL, { } },
+    { "res",        "Resource Loading", ATRACE_TAG_RESOURCES, { } },
     { "sched",      "CPU Scheduling",   0, {
         { REQ,      "/sys/kernel/debug/tracing/events/sched/sched_switch/enable" },
         { REQ,      "/sys/kernel/debug/tracing/events/sched/sched_wakeup/enable" },