hwc: Add display ROI in HWC dumpsys

Add ROI generated for each display in their dumpsys data.

Change-Id: I41fb79af9d42abc11ff147d18a600fd4ad60ab6c
diff --git a/libhwcomposer/hwc_mdpcomp.h b/libhwcomposer/hwc_mdpcomp.h
index 4d9d232..38bf919 100644
--- a/libhwcomposer/hwc_mdpcomp.h
+++ b/libhwcomposer/hwc_mdpcomp.h
@@ -44,7 +44,7 @@
     /* draw */
     virtual bool draw(hwc_context_t *ctx, hwc_display_contents_1_t *list) = 0;
     /* dumpsys */
-    void dump(android::String8& buf);
+    void dump(android::String8& buf, hwc_context_t *ctx);
     bool isGLESOnlyComp() { return (mCurrentFrame.mdpCount == 0); }
     static MDPComp* getObject(hwc_context_t *ctx, const int& dpy);
     /* Handler to invoke frame redraw on Idle Timer expiry */