git: openjdk/mobile: 8229022: BufferedReader performance can be improved by using StringBuilder

[duke]

Changeset: c1b844a2
Author:    Brian Burkhalter <bpb at openjdk.org>
Date:      2019-10-02 07:50:06 +0000
URL:       https://git.openjdk.java.net/mobile/commit/c1b844a2

8229022: BufferedReader performance can be improved by using StringBuilder

Reviewed-by: igerasim, vtewari, dfuchs

! src/java.base/share/classes/java/io/BufferedReader.java