SF: Add Planner predictor

Adds the Planner predictor, which tries to anticipate the composition
strategy that the Composer HAL is going to select based on the layer
geometry and historical composition strategies.

Bug: 158790260
Test: atest libcompositionengine_test libsurfaceflinger_unittest
Change-Id: Icd93e6f8c7437d99108610ac87d649568d13aa77