Allow AppDeadlineMissed along with DisplayFrame jank for SurfaceFrames

If a DisplayFrame is janky, there is nothing the app could have done to
mitigate it. However, sweeping the app jank under the rug here prevents
the app metrics to recognize a genuine late frame from the app.

Bug: 183127139
Test: libsurfaceflinger_unittest
Change-Id: I62984f6cc8601fbf8bfb56d2e5f823c4f79f934b