Teach JankTracker about new swap behaviors

Bug: 30440166

If we are using HWC2, there's a change in timing
when in triple buffering with the pipelined offsets.
This changes JankTracker to recognize that and silently
erase that from the total duration

Change-Id: Ib1fd4209070f17dbd2baed707c8cf73fb11c3cf2
diff --git a/libs/hwui/FrameInfo.cpp b/libs/hwui/FrameInfo.cpp
index 41e2233..09b3945 100644
--- a/libs/hwui/FrameInfo.cpp
+++ b/libs/hwui/FrameInfo.cpp
@@ -35,8 +35,14 @@
     "IssueDrawCommandsStart",
     "SwapBuffers",
     "FrameCompleted",
+    "DequeueBufferDuration",
+    "QueueBufferDuration",
 };
 
+static_assert((sizeof(FrameInfoNames)/sizeof(FrameInfoNames[0]))
+        == static_cast<int>(FrameInfoIndex::NumIndexes),
+        "size mismatch: FrameInfoNames doesn't match the enum!");
+
 void FrameInfo::importUiThreadInfo(int64_t* info) {
     memcpy(mFrameInfo, info, UI_THREAD_FRAME_INFO_SIZE * sizeof(int64_t));
 }