am 421854e6: docs: add fragments class to training TOC
am 421854e6: docs: add fragments class to training TOC

* commit '421854e6e8fe3418d22ae444567a06b5f308c896':
  docs: add fragments class to training TOC

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