Update language to comply with Android's inclusive language guidance am: a9997f0474 am: c94fc38a66 am: 60f05272a0

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/1375858

Change-Id: I38a66b4792a9c1ffb06f4a73b90764ad2d469ab9
diff --git a/payload_consumer/download_action.h b/payload_consumer/download_action.h
index 740416d..6928443 100644
--- a/payload_consumer/download_action.h
+++ b/payload_consumer/download_action.h
@@ -124,7 +124,7 @@
   bool SetupP2PSharingFd();
 
   // Writes |length| bytes of payload from |data| into |file_offset|
-  // of the p2p file. Also does sanity checks; for example ensures we
+  // of the p2p file. Also does validation checks; for example ensures we
   // don't end up with a file with holes in it.
   //
   // This method does nothing if SetupP2PSharingFd() hasn't been