fix build

Author: Varun Rathore

src/main/java/com/google/firebase/remoteconfig/ParameterValue.java

@@ -80,6 +80,7 @@ public static PersonalizationValue ofPersonalization(String personalizationId) {
    *
    * @param experimentId The experiment ID.
    * @param variantValues The list of experiment variant values.
+   * @param exposurePercent The exposure percentage of the experiment.
    * @return A {@link ParameterValue.ExperimentValue} instance.
    */
   public static ExperimentValue ofExperiment(
@@ -456,7 +457,7 @@ public boolean equals(Object o) {
       ExperimentValue that = (ExperimentValue) o;
       return Objects.equals(experimentId, that.experimentId)
           && Objects.equals(variantValues, that.variantValues)
-          && Double.compare(that.exposurePercent, exposurePercent) == 0;
+          && Objects.equals(that.exposurePercent, exposurePercent);
     }
 
     @Override

src/test/java/com/google/firebase/remoteconfig/ParameterValueTest.java

@@ -134,7 +134,11 @@ public void testEquality() {
             ParameterValue.ofExperiment("experiment_1", ImmutableList.of(
                     ExperimentVariantValue.of("variant_2", "value_2")
             ), 10.0);
-
+    ParameterValue.ExperimentValue experimentValueFive =
+            ParameterValue.ofExperiment("exp_1", ImmutableList.of(
+                    ExperimentVariantValue.of("variant_2", "value_2")
+            ), 20.0);
+    assertNotEquals(experimentValueOne, experimentValueFive);
     assertEquals(experimentValueOne, experimentValueTwo);
     assertNotEquals(experimentValueOne, experimentValueThree);
     assertNotEquals(experimentValueOne, experimentValueFour);