Make initialization of 2020 constants explicit

By doing this, we will remember to initialize the constants
before RT so we don't malloc in RT.
Later we will replace this with the constants in a json file.

Signed-off-by: milind-u <milind.upadhyay@gmail.com>
Change-Id: I283f4accc3c180815abbc424d39c84fdd4c47d92
diff --git a/y2020/constants.h b/y2020/constants.h
index 4483948..30fb553 100644
--- a/y2020/constants.h
+++ b/y2020/constants.h
@@ -223,13 +223,14 @@
   InterpolationTable<FlywheelShotParams> flywheel_shot_interpolation_table;
 };
 
-// Creates (once) a Values instance for ::aos::network::GetTeamNumber() and
-// returns a reference to it.
-const Values &GetValues();
+// Creates (once) a Values instance for ::aos::network::GetTeamNumber(). Should
+// be called before realtime because this allocates memory.
+void InitValues();
 
-// Creates Values instances for each team number it is called with and
-// returns them.
-const Values &GetValuesForTeam(uint16_t team_number);
+// Returns a reference to the Values instance for
+// ::aos::network::GetTeamNumber(). Values must be initialized through
+// InitValues() before calling this.
+const Values &GetValues();
 
 }  // namespace constants
 }  // namespace y2020