OldNumberFormatTest: Update test expectations.

We're using the ICU formatters internally now, so we can live without
an RTL marker in our output. This reverts to the pre M android
behaviour, and it doesn't seem like a point of contention for
applications. It's therefore best to be consistent with ICU.

Change-Id: I6a106c4794130ca0133ec414ce58f7cd39485313
1 file changed