Update Gaia API documents for #7e84e2342b81cca00694efa5245d6e0790228f27
    Merge pull request #14525 from karlt/942751

bug 942751 - stop OscillatorNodes when done to work around bug 897796 r=etienne
(cherry picked from commit 577f46a9a8f3f16540c007fa420bd5630c5f2ae3)