Revert "Move proto definitions to external/perfetto"

This reverts commit bec51fdc3c8a42cbcb833d7d14800fbb0a14a7f3.

Reason for revert: 298512106

Change-Id: Icb9d6d5a23176a809c3b71bcaa3928b03dfb0622
diff --git a/services/surfaceflinger/tests/Stress_test.cpp b/services/surfaceflinger/tests/Stress_test.cpp
index b30df5e..03201f7 100644
--- a/services/surfaceflinger/tests/Stress_test.cpp
+++ b/services/surfaceflinger/tests/Stress_test.cpp
@@ -51,9 +51,9 @@
     }
 }
 
-perfetto::protos::LayersProto generateLayerProto() {
-    perfetto::protos::LayersProto layersProto;
-    std::array<perfetto::protos::LayerProto*, 10> layers = {};
+surfaceflinger::LayersProto generateLayerProto() {
+    surfaceflinger::LayersProto layersProto;
+    std::array<surfaceflinger::LayerProto*, 10> layers = {};
     for (size_t i = 0; i < layers.size(); ++i) {
         layers[i] = layersProto.add_layers();
         layers[i]->set_id(i);
@@ -103,7 +103,7 @@
     cmd += std::to_string(getpid());
     system(cmd.c_str());
     for (int i = 0; i < 100000; i++) {
-        perfetto::protos::LayersProto layersProto = generateLayerProto();
+        surfaceflinger::LayersProto layersProto = generateLayerProto();
         auto layerTree = surfaceflinger::LayerProtoParser::generateLayerTree(layersProto);
         surfaceflinger::LayerProtoParser::layerTreeToString(layerTree);
     }