Clarify a use case.
Clarify a use case.

Clarify a use case regarding clearing client certificates.

Change-Id: Ifdfa00022bb21b26e6f62dbad585faef4f8fc3c7

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