hardware/qcom/display: Fix overcounting frames with CALC_FPS

With a recent change, debug.gr.calcfps was enabled, frames were
being overcounted. This change fixes it.

CRs-fixed: 350335
(cherry picked from commit e8ea630b6b629403ad713b8cb3d912c4d54e7699)

Change-Id: I863072f3311c584edd30f7be74a3ab8122f05f01

libhwcomposer/hwcomposer.cpp

@@ -1669,9 +1669,9 @@ static int hwc_set(hwc_composer_device_t *dev,
         EGLBoolean sucess = eglSwapBuffers((EGLDisplay)dpy, (EGLSurface)sur);
         if (!sucess) {
             ret = HWC_EGL_ERROR;
-        } else {
-            CALC_FPS();
         }
+    } else {
+        CALC_FPS();
     }
 
     // Unlock the previously locked buffer, since the overlay has completed reading the buffer