Fixing a typo in the NumberPicker documentation.
Fixing a typo in the NumberPicker documentation.

Change-Id: I3a76923d468ddd01cd1ed5521992479cee82c6f0

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base