apparmor_parser complains about '.' and '"' in child profile names

[Jamie Strandboge]

The following fails to compile:
profile "com.ubuntu.developer.jdstrand.test-oxide_test-oxide_0.1" (attach_disconnected) {
  /usr/lib/@{multiarch}/oxide-qt/chrome-sandbox cx -> chrome_sandbox,
  /usr/lib/@{multiarch}/oxide-qt/oxide-renderer Cx -> oxide_renderer,

  profile chrome_sandbox {
    /usr/lib/@{multiarch}/oxide-qt/oxide-renderer Px -> com.ubuntu.developer.jdstrand.test-oxide_test-oxide_0.1//oxide_renderer,
  }

  profile oxide_renderer { }
}

$ apparmor_parser -p /tmp/foo >/dev/null
AppArmor parser error for /tmp/foo in /tmp/foo at line 6: Found unexpected character: '.'

I can also quote the child profile like so:
  profile chrome_sandbox {
    /usr/lib/@{multiarch}/oxide-qt/oxide-renderer Px -> "com.ubuntu.developer.jdstrand.test-oxide_test-oxide_0.1//oxide_renderer",
  }

$ apparmor_parser -p /tmp/bar >/dev/null
AppArmor parser error for /tmp/bar in /tmp/bar at line 6: Found unexpected character: '"'