add gradle 3.0

This is necessary to build support library with android gradle
plugin 2.2. The tools has not moved to 3.0 yet but support
library needs tools 2.2+ for a bugfix but gradle 2.14 has
another bug that breaks support lib (which is fixed on gradle 3.0).

Change-Id: I24dfaa585314ba7981df7475cd1bfbda590e9a79
diff --git a/gradle-3.0-all.zip b/gradle-3.0-all.zip
new file mode 100644
index 0000000..f1e66f5
--- /dev/null
+++ b/gradle-3.0-all.zip
Binary files differ