Cross Reference: /external/libtextclassifier/util/java

`Name`	`Date`	`Size`
Up to higher level directory
`scoped_global_ref.h`	21-Aug-2018	`2.4K`
`scoped_local_ref.h`	21-Aug-2018	`2.3K`
`string_utils.cc`	21-Aug-2018	`1.7K`
`string_utils.h`	21-Aug-2018	`967`