[Plot] Make plot fixed duration a global default

WTD-1273.

platform/features/plot/bundle.json

@@ -23,7 +23,21 @@
             {
                 "key": "PlotController",
                 "implementation": "PlotController.js",
-                "depends": [ "$scope", "telemetryFormatter", "telemetryHandler", "throttle" ]
+                "depends": [
+                    "$scope",
+                    "telemetryFormatter",
+                    "telemetryHandler",
+                    "throttle",
+                    "PLOT_FIXED_DURATION"
+                ]
+            }
+        ],
+        "constants": [
+            {
+                "key": "PLOT_FIXED_DURATION",
+                "value": 900000,
+                "priority": "fallback",
+                "comment": "Fifteen minutes."
             }
         ]
     }

platform/features/plot/src/PlotController.js

@@ -51,7 +51,13 @@ define(
          *
          * @constructor
          */
-        function PlotController($scope, telemetryFormatter, telemetryHandler, throttle) {
+        function PlotController(
+            $scope,
+            telemetryFormatter,
+            telemetryHandler,
+            throttle,
+            PLOT_FIXED_DURATION
+        ) {
             var subPlotFactory = new SubPlotFactory(telemetryFormatter),
                 modeOptions = new PlotModeOptions([], subPlotFactory),
                 subplots = [],
@@ -100,7 +106,7 @@ define(
                     handle,
                     ($scope.axes[0].active || {}).key,
                     ($scope.axes[1].active || {}).key,
-                    15000 // 15 seconds
+                    PLOT_FIXED_DURATION
                 );
             }