Update stale bug reference.

The old reference was just for prototyping HDR. The new reference is for planned work to use the correct formats for input and output for HDR editing in GL.

PiperOrigin-RevId: 449211792

library/transformer/src/main/java/com/google/android/exoplayer2/transformer/FrameProcessorChain.java

@@ -159,7 +159,7 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
       GlUtil.focusEglSurface(
       GlUtil.focusEglSurface(
           eglDisplay, eglContext, EGL14.EGL_NO_SURFACE, /* width= */ 1, /* height= */ 1);
           eglDisplay, eglContext, EGL14.EGL_NO_SURFACE, /* width= */ 1, /* height= */ 1);
     } else if (enableExperimentalHdrEditing) {
     } else if (enableExperimentalHdrEditing) {
-      // TODO(b/209404935): Don't assume BT.2020 PQ input/output.
+      // TODO(b/227624622): Don't assume BT.2020 PQ input/output.
       GlUtil.focusPlaceholderEglSurfaceBt2020Pq(eglContext, eglDisplay);
       GlUtil.focusPlaceholderEglSurfaceBt2020Pq(eglContext, eglDisplay);
     } else {
     } else {
       GlUtil.focusPlaceholderEglSurface(eglContext, eglDisplay);
       GlUtil.focusPlaceholderEglSurface(eglContext, eglDisplay);
@@ -467,7 +467,7 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
       checkStateNotNull(eglDisplay);
       checkStateNotNull(eglDisplay);
 
 
       if (enableExperimentalHdrEditing) {
       if (enableExperimentalHdrEditing) {
-        // TODO(b/209404935): Don't assume BT.2020 PQ input/output.
+        // TODO(b/227624622): Don't assume BT.2020 PQ input/output.
         eglSurface = GlUtil.getEglSurfaceBt2020Pq(eglDisplay, outputSurface);
         eglSurface = GlUtil.getEglSurfaceBt2020Pq(eglDisplay, outputSurface);
         if (debugSurfaceView != null) {
         if (debugSurfaceView != null) {
           debugPreviewEglSurface =
           debugPreviewEglSurface =