Add Gradle 4.4 prebuilts.

Test: None
Change-Id: I5895d69bc987c6bab027286b4582f3b8a3b5ed59
diff --git a/gradle-4.4-bin.zip b/gradle-4.4-bin.zip
new file mode 100644
index 0000000..48b03d0
--- /dev/null
+++ b/gradle-4.4-bin.zip
Binary files differ