Fix TextUtils#getReverse deprecated doc
Fix TextUtils#getReverse deprecated doc

Note there is no alternative method to use.

Bug: 28296055
Change-Id: I1e44c1dad6009434a92c6a53862e6f061114bc56

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