Fix nits in Picture-in-Picture sample (#596)
Fix nits in Picture-in-Picture sample (#596)


GoogleChrome/samples,beaufortfrancois/samples,GoogleChrome/samples,jeffposnick/samples,beaufortfrancois/samples,GoogleChrome/samples,jeffposnick/samples,jeffposnick/samples,beaufortfrancois/samples,GoogleChrome/samples,beaufortfrancois/samples,GoogleChrome/samples,jeffposnick/samples