network: install network module for anbox.

Add file anbox-bridge.sh into "make install" list.
anbox-bridge.sh: provide network function for anbox-apps to use.
usage:
1.cd to the install path.
2.do shell cmd "./anbox-bridge.sh start" before anbox-session process to open
network module.
3.do shell cmd "./anbox-bridge.sh stop" after anbox-session process to stop.

CMakeLists.txt

@@ -153,6 +153,7 @@ endif()
 
 install(FILES data/ui/loading-screen.png DESTINATION ${ANBOX_RESOURCE_DIR}/ui)
 install(FILES data/ui/kpandroid.png DESTINATION ${ANBOX_RESOURCE_DIR}/ui)
+install(PROGRAMS scripts/anbox-bridge.sh DESTINATION ${CMAKE_INSTALL_BINDIR})
 install(PROGRAMS scripts/anbox-launch.sh DESTINATION ${CMAKE_INSTALL_BINDIR})
 
 # uninstall target