[DO NOT MERGE] Sync flicker from master to sc-v2

Flicker on master diverged form sc-v2, to make it easier to debug
flicker issues on sc-v2, push the current version of flicker into sc-v2

Test: atest FlickerTests WMShellFlickerTests
Bug: 188792659
Change-Id: I253a616639a8d2d8c783489c09499da2ff0d1949
diff --git a/services/surfaceflinger/SurfaceInterceptor.h b/services/surfaceflinger/SurfaceInterceptor.h
index 9a3ce2c..7b331b9 100644
--- a/services/surfaceflinger/SurfaceInterceptor.h
+++ b/services/surfaceflinger/SurfaceInterceptor.h
@@ -48,7 +48,7 @@
 using Increment = surfaceflinger::Increment;
 using DisplayChange = surfaceflinger::DisplayChange;
 
-constexpr auto DEFAULT_FILENAME = "/data/misc/wmtrace/transaction_trace.pb";
+constexpr auto DEFAULT_FILENAME = "/data/misc/wmtrace/transaction_trace.winscope";
 
 class SurfaceInterceptor : public IBinder::DeathRecipient {
 public:
diff --git a/services/surfaceflinger/SurfaceTracing.h b/services/surfaceflinger/SurfaceTracing.h
index d4cf6f3..cea1a33 100644
--- a/services/surfaceflinger/SurfaceTracing.h
+++ b/services/surfaceflinger/SurfaceTracing.h
@@ -78,7 +78,7 @@
 private:
     class Runner;
     static constexpr auto DEFAULT_BUFFER_SIZE = 5_MB;
-    static constexpr auto DEFAULT_FILE_NAME = "/data/misc/wmtrace/layers_trace.pb";
+    static constexpr auto DEFAULT_FILE_NAME = "/data/misc/wmtrace/layers_trace.winscope";
 
     SurfaceFlinger& mFlinger;
     mutable std::mutex mTraceLock;
diff --git a/services/surfaceflinger/tests/SurfaceInterceptor_test.cpp b/services/surfaceflinger/tests/SurfaceInterceptor_test.cpp
index d5890ff..a424059 100644
--- a/services/surfaceflinger/tests/SurfaceInterceptor_test.cpp
+++ b/services/surfaceflinger/tests/SurfaceInterceptor_test.cpp
@@ -61,7 +61,7 @@
 constexpr auto LAYER_NAME = "Layer Create and Delete Test";
 constexpr auto UNIQUE_LAYER_NAME = "Layer Create and Delete Test#0";
 
-constexpr auto DEFAULT_FILENAME = "/data/misc/wmtrace/transaction_trace.pb";
+constexpr auto DEFAULT_FILENAME = "/data/misc/wmtrace/transaction_trace.winscope";
 
 // Fill an RGBA_8888 formatted surface with a single color.
 static void fillSurfaceRGBA8(const sp<SurfaceControl>& sc, uint8_t r, uint8_t g, uint8_t b) {