Android 4.4 Release 0.9
Refactor sensor tests to use composable test operations.
Operations introduced:
- Helpers: Composite, for loop.
- Base: Norm, StdDev, Jittering, Frequency, event ordering.

b/11159143
b/11161432

Change-Id: Ic2c70cc930e4f3d86bd5bf057edbed6a7067b134
24 files changed