Show annotation documentation on class details
Show annotation documentation on class details

Also fix a bug where showAnnotations tags weren't appearing on
symbols without a javadoc

Bug: 19427762
Bug: 19931569
Change-Id: I4de8d5682acc438da69637262d8447695d6fb975

xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build