[SurfaceFlinger] Use sf phase offset from CS

If present, use sf phase offset from the config Store.

Test: Manual
Change-Id: I2dd7ecf984b7484f6b447699680f54c7c8e221a0
diff --git a/services/surfaceflinger/SurfaceFlingerConsumer.cpp b/services/surfaceflinger/SurfaceFlingerConsumer.cpp
index 2fcbdba..b00792b 100644
--- a/services/surfaceflinger/SurfaceFlingerConsumer.cpp
+++ b/services/surfaceflinger/SurfaceFlingerConsumer.cpp
@@ -183,7 +183,7 @@
     // we don't need to factor that in here.  Pad a little to avoid
     // weird effects if apps might be requesting times right on the edge.
     nsecs_t extraPadding = 0;
-    if (VSYNC_EVENT_PHASE_OFFSET_NS == 0) {
+    if (SurfaceFlinger::vsyncPhaseOffsetNs == 0) {
         extraPadding = 1000000;        // 1ms (6% of 60Hz)
     }