SF: Add dumpsys flag to dump raw EDID

Bug: 140429990
Test: adb shell dumpsys SurfaceFlinger --edid <hwc-id> | xxd
Test: adb shell dumpsys SurfaceFlinger --edid <hwc-id> | parse-edid
Change-Id: Iccfaf3a0ac7c4b0eb05f0ac6a9d0de31a8de46dc
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index f220c26..beb43d0 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -865,6 +865,7 @@
             std::vector<OccupancyTracker::Segment>&& history);
     void dumpBufferingStats(std::string& result) const;
     void dumpDisplayIdentificationData(std::string& result) const;
+    void dumpRawDisplayIdentificationData(const DumpArgs&, std::string& result) const;
     void dumpWideColorInfo(std::string& result) const;
     LayersProto dumpDrawingStateProto(uint32_t traceFlags = SurfaceTracing::TRACE_ALL) const;
     void dumpOffscreenLayersProto(LayersProto& layersProto,