build: install jmx and tools-java submodule dependencies

Let each submodule be responsible for its own dependencies, and
call the submodule's dependency installation script.

Reviewed-by: Piotr Jastrzebski <piotr@scylladb.com>
Reviewed-by: Takuya ASADA <syuu@scylladb.com>

install-dependencies.sh

@@ -28,6 +28,8 @@ else
 fi
 
 bash seastar/install-dependencies.sh
+bash tools/jmx/install-dependencies.sh
+bash tools/java/install-dependencies.sh
 
 debian_base_packages=(
     liblua5.3-dev