Add repo hooks for packages/modules/Connectivity.

This adds the Java and Kotlin linters.

Test: repo upload
Change-Id: Ic508b17ed0b4e33c41debbbeb7a6c0406c46a973
diff --git a/PREUPLOAD.cfg b/PREUPLOAD.cfg
new file mode 100644
index 0000000..ebc1264
--- /dev/null
+++ b/PREUPLOAD.cfg
@@ -0,0 +1,4 @@
+[Hook Scripts]
+checkstyle_hook = ${REPO_ROOT}/prebuilts/checkstyle/checkstyle.py --sha ${PREUPLOAD_COMMIT}
+
+ktlint_hook = ${REPO_ROOT}/prebuilts/ktlint/ktlint.py -f ${PREUPLOAD_FILES}