Fix watchdog when NaN lux is reported.

Bug:260925085

Signed-off-by: linkai <linkai@xiaomi.com>
Change-Id: I5a233b8ba5b207f06b2b639317b835a1e6a421d3

core/java/android/hardware/display/AmbientBrightnessDayStats.java

@@ -208,7 +208,7 @@ public final class AmbientBrightnessDayStats implements Parcelable {
     }
 
     private int getBucketIndex(float ambientBrightness) {
-        if (ambientBrightness < mBucketBoundaries[0]) {
+        if (ambientBrightness < mBucketBoundaries[0] || Float.isNaN(ambientBrightness)) {
             return -1;
         }
         int low = 0;