Warn about the lack of access controls for SD card HTTP caches.
Warn about the lack of access controls for SD card HTTP caches.

Change-Id: I54adc2f9b57964e15a0fc26b719729e6087b1bda
http://b/4772280

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