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/DisplayHardware/HWC2.h b/services/surfaceflinger/DisplayHardware/HWC2.h
index 1c709b2..33fb8cb 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2.h
+++ b/services/surfaceflinger/DisplayHardware/HWC2.h
@@ -313,7 +313,7 @@
             std::unordered_map<std::shared_ptr<Layer>,
                     android::sp<android::Fence>>* outFences) const;
     [[clang::warn_unused_result]] Error present(
-            android::sp<android::Fence>* outRetireFence);
+            android::sp<android::Fence>* outPresentFence);
     [[clang::warn_unused_result]] Error setActiveConfig(
             const std::shared_ptr<const Config>& config);
     [[clang::warn_unused_result]] Error setClientTarget(