Update language to comply with Android's inclusive language guidance am: c036b106d1 am: 5419684c53 am: 97b0995f4b

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/1375859

Change-Id: If7eb808e44c5686b0c7a6e38fd62a84853f6d8e9
diff --git a/payload_generator/delta_diff_utils.cc b/payload_generator/delta_diff_utils.cc
index 22752e8..9a08815 100644
--- a/payload_generator/delta_diff_utils.cc
+++ b/payload_generator/delta_diff_utils.cc
@@ -938,7 +938,7 @@
   if (magic != EXT2_SUPER_MAGIC)
     return false;
 
-  // Sanity check the parameters.
+  // Validation check the parameters.
   TEST_AND_RETURN_FALSE(log_block_size >= EXT2_MIN_BLOCK_LOG_SIZE &&
                         log_block_size <= EXT2_MAX_BLOCK_LOG_SIZE);
   TEST_AND_RETURN_FALSE(block_count > 0);