git: openjdk/mobile: 8232883: compiler/c2/CmpPNodeSubTest.java fails because test class name is wrong

[duke]

Changeset: 7b38a7e8
Author:    Tobias Hartmann <thartmann at openjdk.org>
Date:      2019-10-23 13:52:33 +0000
URL:       https://git.openjdk.java.net/mobile/commit/7b38a7e8

8232883: compiler/c2/CmpPNodeSubTest.java fails because test class name is wrong

Renamed test file to match class name.

Reviewed-by: roland

= test/hotspot/jtreg/compiler/c2/CompareKlassPointersTest.java