fix: Fix bad warning when use selectAudioLanguage (#6999)

Fixes #6665

lib/player.js

@@ -4604,13 +4604,6 @@ shaka.Player = class extends shaka.util.FakeEventTarget {
    */
   selectVariantTrack(track, clearBuffer = false, safeMargin = 0) {
     if (this.manifest_ && this.streamingEngine_) {
-      if (this.config_.abr.enabled) {
-        shaka.log.alwaysWarn('Changing tracks while abr manager is enabled ' +
-                             'will likely result in the selected track ' +
-                             'being overriden. Consider disabling abr before ' +
-                             'calling selectVariantTrack().');
-      }
-
       const variant = this.manifest_.variants.find(
           (variant) => variant.id == track.id);
       if (!variant) {
@@ -4627,6 +4620,17 @@ shaka.Player = class extends shaka.util.FakeEventTarget {
         return;
       }
 
+      const active = this.streamingEngine_.getCurrentVariant();
+      if (this.config_.abr.enabled && (active.video != variant.video ||
+          (active.audio && variant.audio &&
+          active.audio.language == variant.audio.language &&
+          active.audio.channelsCount == variant.audio.channelsCount))) {
+        shaka.log.alwaysWarn('Changing tracks while abr manager is enabled ' +
+                             'will likely result in the selected track ' +
+                             'being overriden. Consider disabling abr before ' +
+                             'calling selectVariantTrack().');
+      }
+
       this.switchVariant_(
           variant, /* fromAdaptation= */ false, clearBuffer, safeMargin);