Bug 1346665 - P1: Enable USE_PULSE_RUST in libcubeb. r=kinetik,rillian

MozReview-Commit-ID: 5ZQLFXNFWdB

media/libcubeb/src/moz.build

@@ -31,6 +31,9 @@ if CONFIG['MOZ_PULSEAUDIO']:
         'cubeb_pulse.c',
     ]
     DEFINES['USE_PULSE'] = True
+    DEFINES['USE_PULSE_RUST'] = True
+    if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'gonk':
+        DEFINES['DISABLE_LIBPULSE_DLOPEN'] = True
 
 if CONFIG['MOZ_JACK']:
     SOURCES += [