Handle prefix when dumping ApplicationInfo#crossProfile

This is a follow up CL to a CL [1] that added one more state dump from
ApplicationInfo but forgot to take care of prefix handling.

 [1]: I11b5d9919e4463cdaf89826360bc12ae68dbd0af
      f9b99f5f

Bug: 142538125
Bug: 142537267
Test: Ran the following command to see "crossProfile"
      is aligned with other outputs from ApplicationInfo.
         adb shell dumpsys input_method
Change-Id: I629d4653b0d9109615feb02718d1228cf4f850d7