Improve JavaDoc for cache mode constants.
Improve JavaDoc for cache mode constants.

Bug: 5461416
Change-Id: I26c48a6428ff1afb5346eeaa02c5ca74ec95173c

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