Fix a typo in NumberPicker javadoc.
Fix a typo in NumberPicker javadoc.

Change-Id: I7c1777e166dabe2e24403301049f2d6e06b97e2d

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