Update the classpath for --mode app_process

The default on-device classpaths have changed. This
commit tracks those changes. nullwebview is no longer
in the app_process classpath at all.

Ran vogar tests with:
make vogar-tests && java -cp ${ANDROID_BUILD_TOP}/out/host/linux-x86/framework/vogar-tests.jar \
    org.junit.runner.JUnitCore vogar.AllTests

Test: Ran vogar with --mode app_process / --mode device
Test: See above
Change-Id: Ia2c09c479431fc15cd58ec54f5dbcb43fb053291
2 files changed