Add DSI Ftrace events

Support is added for following tracing DSI Ftrace events:
 * panel/dsi_cmd_fifo_status
 * panel/dsi_rx
 * panel/dsi_tx

Bug: 217775768
Change-Id: I789154c25a0a74b487d3f60a6568d84497d660bd
diff --git a/BUILD b/BUILD
index a7e008d..37f7ba7 100644
--- a/BUILD
+++ b/BUILD
@@ -3342,6 +3342,7 @@
         "protos/perfetto/trace/ftrace/mm_event.proto",
         "protos/perfetto/trace/ftrace/net.proto",
         "protos/perfetto/trace/ftrace/oom.proto",
+        "protos/perfetto/trace/ftrace/panel.proto",
         "protos/perfetto/trace/ftrace/power.proto",
         "protos/perfetto/trace/ftrace/printk.proto",
         "protos/perfetto/trace/ftrace/raw_syscalls.proto",