Android Chromoting: Fix ClassNotFoundException in native->Java calls.
Android Chromoting: Fix ClassNotFoundException in native->Java calls.

This applies the same fix as the one for cronet:
https://crrev.com/3b8f568c535855a63cb585d606a7e970f8820c58

BUG=463947

Review URL: https://codereview.chromium.org/967183004

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#319316}

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