Fix typo in android.os.health.cts.HealthStatsTest#testParcelling

Bug: 27622498
Change-Id: I2694fe322fcc7fdf31d2b3d837a467e0171f977b
diff --git a/tests/tests/os/src/android/os/health/cts/HealthStatsTest.java b/tests/tests/os/src/android/os/health/cts/HealthStatsTest.java
index 22abe51..cc7201a 100644
--- a/tests/tests/os/src/android/os/health/cts/HealthStatsTest.java
+++ b/tests/tests/os/src/android/os/health/cts/HealthStatsTest.java
@@ -198,7 +198,7 @@
         // Measurements
         writer.addMeasurements(MEASUREMENTS_0, "Z", 800);
         writer.addMeasurements(MEASUREMENTS_1, "Y", 900);
-        writer.addMeasurements(MEASUREMENTS_1, "Z", 901);
+        writer.addMeasurements(MEASUREMENTS_1, "X", 901);
 
 
         // Parcel and unparcel it via HealthStatsWriter.writeToParcel.