Drop official release of SDK 19.

The SDK is downloaded by the Eclipse SDK Manager.

Change-Id: Ia366f0ebe775f76812b6bbd00eb53d94387818e7
diff --git a/19/android.jar b/19/android.jar
index 0ba78e5..b9d655e 100644
--- a/19/android.jar
+++ b/19/android.jar
Binary files differ
diff --git a/19/uiautomator.jar b/19/uiautomator.jar
index 9077d7c..9b85633 100644
--- a/19/uiautomator.jar
+++ b/19/uiautomator.jar
Binary files differ