Copyedit the Java src qlpack 0.4.4 release nnotes

Author: smowton

java/ql/src/change-notes/released/0.4.4.md

@@ -3,4 +3,4 @@
 ### New Queries
 
 * The query `java/insufficient-key-size` has been promoted from experimental to the main query pack. Its results will now appear by default. This query was originally [submitted as an experimental query by @luchua-bc](https://github.com/github/codeql/pull/4926).
-* Added a new query, `java/android/sensitive-keyboard-cache`, to detect instances of sensitive information possibly being saved to the keyboard cache.
+* Added a new query, `java/android/sensitive-keyboard-cache`, to detect instances of sensitive information possibly being saved to the Android keyboard cache.