SurfaceFlinger: enable LayerHistoryV2

Flip the flag to start using the new refresh rate selection algorithm.

Bug: 147516364
Change-Id: Ib59fc9cbeb6404b7aa8653912fc3edd17ce7a098
Test: adb shell /data/nativetest64/libsurfaceflinger_unittest/libsurfaceflinger_unittest
1 file changed