Correct comments

- Fix a typo on ExposureParameters.coarseIntegrationTimeLShift.
- Add a comment that describes a descriptor field of GridStatistics.

Bug: 276675923
Test: build
Change-Id: Ida93c21c9de7f7c1d661c790d82342750d5f29fe
diff --git a/automotive/evs/aidl/android/hardware/automotive/evs/ExposureParameters.aidl b/automotive/evs/aidl/android/hardware/automotive/evs/ExposureParameters.aidl
index 6a85ade..e644fed 100644
--- a/automotive/evs/aidl/android/hardware/automotive/evs/ExposureParameters.aidl
+++ b/automotive/evs/aidl/android/hardware/automotive/evs/ExposureParameters.aidl
@@ -42,7 +42,7 @@
     /** Remainder exposure time in clocks. */
     long fineIntegrationTimeInPixelClocks;
     /**
-     * Logarthm value of coarse integration time multiplier.
+     * Logarithm value of coarse integration time multiplier.
      */
     int coarseIntegrationTimeLShift;
 }
diff --git a/automotive/evs/aidl/android/hardware/automotive/evs/GridStatistics.aidl b/automotive/evs/aidl/android/hardware/automotive/evs/GridStatistics.aidl
index e66c51e..57f72ea 100644
--- a/automotive/evs/aidl/android/hardware/automotive/evs/GridStatistics.aidl
+++ b/automotive/evs/aidl/android/hardware/automotive/evs/GridStatistics.aidl
@@ -25,7 +25,7 @@
  */
 @VintfStability
 parcelable GridStatistics {
-    /** */
+    /** Descriptors of grid statistics in shared memory. */
     GridStatisticDesc[] descriptors;
     /**
      * Shared memory object containing one or more grid statistics.