Rename "retire" to "present" for consistency

The HWC2 model has no concept of retire fence beyond HWC2to1Adapter
All references to "retire" fence should be called "present"

Change-Id: I26540aad9e65f138a4df60a34eaee030f1c17567
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 91dd8a6..e2a891c 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1142,7 +1142,7 @@
     doComposition();
     postComposition();
 
-    mPreviousPresentFence = mHwc->getRetireFence(HWC_DISPLAY_PRIMARY);
+    mPreviousPresentFence = mHwc->getPresentFence(HWC_DISPLAY_PRIMARY);
 
     mHadClientComposition = false;
     for (size_t displayId = 0; displayId < mDisplays.size(); ++displayId) {
@@ -1242,7 +1242,7 @@
         }
     }
 
-    sp<Fence> presentFence = mHwc->getRetireFence(HWC_DISPLAY_PRIMARY);
+    sp<Fence> presentFence = mHwc->getPresentFence(HWC_DISPLAY_PRIMARY);
 
     if (presentFence->isValid()) {
         if (mPrimaryDispSync.addPresentFence(presentFence)) {