Color: Add undefined values to toString methods

This way, we can identify the undefined values later, if they're in use often.

PiperOrigin-RevId: 619967637

libraries/common/src/main/java/androidx/media3/common/ColorInfo.java

@@ -421,7 +421,7 @@ private static String colorSpaceToString(@C.ColorSpace int colorSpace) {
       case C.COLOR_SPACE_BT2020:
         return "BT2020";
       default:
-        return "Undefined color space";
+        return "Undefined color space " + colorSpace;
     }
   }
 
@@ -443,7 +443,7 @@ private static String colorTransferToString(@C.ColorTransfer int colorTransfer)
       case C.COLOR_TRANSFER_HLG:
         return "HLG";
       default:
-        return "Undefined color transfer";
+        return "Undefined color transfer " + colorTransfer;
     }
   }
 
@@ -457,7 +457,7 @@ private static String colorRangeToString(@C.ColorRange int colorRange) {
       case C.COLOR_RANGE_FULL:
         return "Full range";
       default:
-        return "Undefined color range";
+        return "Undefined color range " + colorRange;
     }
   }