THRIFT-3761 Add debian package for Python3

This closes #966
diff --git a/build/docker/ubuntu/Dockerfile b/build/docker/ubuntu/Dockerfile
index 58a361c..469f026 100644
--- a/build/docker/ubuntu/Dockerfile
+++ b/build/docker/ubuntu/Dockerfile
@@ -72,10 +72,12 @@
       python-all-dev \
       python-pip \
       python-setuptools \
-      python-support \
       python-twisted \
       python-zope.interface \
-      python3-dev \
+      python3-all \
+      python3-all-dbg \
+      python3-all-dev \
+      python3-setuptools \
       python3-pip
 
 # Ruby dependencies