Add a tag for tracing system server.
This change is needed for
https://android-review.googlesource.com/#/c/157562/
BUG: 21739901
Change-Id: Ic4616065749236fbde9263b8f1898c434913564a
diff --git a/cmds/atrace/atrace.cpp b/cmds/atrace/atrace.cpp
index 5a33417..e3dbbd5 100644
--- a/cmds/atrace/atrace.cpp
+++ b/cmds/atrace/atrace.cpp
@@ -92,6 +92,7 @@
{ "bionic", "Bionic C Library", ATRACE_TAG_BIONIC, { } },
{ "power", "Power Management", ATRACE_TAG_POWER, { } },
{ "pm", "Package Manager", ATRACE_TAG_PACKAGE_MANAGER, { } },
+ { "ss", "System Server", ATRACE_TAG_SYSTEM_SERVER, { } },
{ "sched", "CPU Scheduling", 0, {
{ REQ, "/sys/kernel/debug/tracing/events/sched/sched_switch/enable" },
{ REQ, "/sys/kernel/debug/tracing/events/sched/sched_wakeup/enable" },