SF: Add flag for FrameTracker removal

Bug: 241394120
Test: builds
Flag: com.android.graphics.surfaceflinger.flags.deprecate_frame_tracker
Change-Id: Ib7fdfc31f92d292fdceb6027d22c9ed7fbeadb3e
diff --git a/services/surfaceflinger/common/FlagManager.cpp b/services/surfaceflinger/common/FlagManager.cpp
index 57ef4c7..12616e3 100644
--- a/services/surfaceflinger/common/FlagManager.cpp
+++ b/services/surfaceflinger/common/FlagManager.cpp
@@ -158,6 +158,7 @@
     DUMP_READ_ONLY_FLAG(true_hdr_screenshots);
     DUMP_READ_ONLY_FLAG(display_config_error_hal);
     DUMP_READ_ONLY_FLAG(connected_display_hdr);
+    DUMP_READ_ONLY_FLAG(deprecate_frame_tracker);
 
 #undef DUMP_READ_ONLY_FLAG
 #undef DUMP_SERVER_FLAG
@@ -264,6 +265,7 @@
 FLAG_MANAGER_READ_ONLY_FLAG(true_hdr_screenshots, "debug.sf.true_hdr_screenshots");
 FLAG_MANAGER_READ_ONLY_FLAG(display_config_error_hal, "");
 FLAG_MANAGER_READ_ONLY_FLAG(connected_display_hdr, "");
+FLAG_MANAGER_READ_ONLY_FLAG(deprecate_frame_tracker, "");
 
 /// Trunk stable server flags ///
 FLAG_MANAGER_SERVER_FLAG(refresh_rate_overlay_on_external_display, "")
diff --git a/services/surfaceflinger/common/include/common/FlagManager.h b/services/surfaceflinger/common/include/common/FlagManager.h
index 7716762..f5bea72 100644
--- a/services/surfaceflinger/common/include/common/FlagManager.h
+++ b/services/surfaceflinger/common/include/common/FlagManager.h
@@ -96,6 +96,7 @@
     bool true_hdr_screenshots() const;
     bool display_config_error_hal() const;
     bool connected_display_hdr() const;
+    bool deprecate_frame_tracker() const;
 
 protected:
     // overridden for unit tests
diff --git a/services/surfaceflinger/surfaceflinger_flags_new.aconfig b/services/surfaceflinger/surfaceflinger_flags_new.aconfig
index ce334e4..014c736 100644
--- a/services/surfaceflinger/surfaceflinger_flags_new.aconfig
+++ b/services/surfaceflinger/surfaceflinger_flags_new.aconfig
@@ -76,6 +76,17 @@
 } # correct_dpi_with_display_size
 
 flag {
+  name: "deprecate_frame_tracker"
+  namespace: "core_graphics"
+  description: "Deprecate using FrameTracker to accumulate and provide FrameStats"
+  bug: "241394120"
+  is_fixed_read_only: true
+  metadata {
+    purpose: PURPOSE_BUGFIX
+  }
+} # deprecate_frame_tracker
+
+flag {
   name: "deprecate_vsync_sf"
   namespace: "core_graphics"
   description: "Depracate eVsyncSourceSurfaceFlinger and use vsync_app everywhere"