Android: Add explicit GN arg to control JNI generator class name

use_hashed_jni_names = !is_java_debug

Cronet needs to have this so that they can build native lib in debug,
but use the release version of java code.

Bug: 898261
Change-Id: Ic554feacb2f6426a611cfad08dc1e14554e30c80
Reviewed-on: https://chromium-review.googlesource.com/c/1383122
Reviewed-by: Eric Stevenson <estevenson@chromium.org>
Commit-Queue: agrieve <agrieve@chromium.org>
Cr-Commit-Position: refs/heads/master@{#617722}
5 files changed