Virtualizationservice makes payload disk image

with given APK, idsig, and config file.

To exercise the new execution mode, 'vm run-app' sub command is added.

  $ vm <apk_path> <idsig_path> <config_path>

For example,

  $ vm /data/local/tmp/MyApp.apk /data/local/tmp/MyApp.apk.idsig \
    assets/config.json

Bug: 190503456
Test: MicrodroidHostTestCases, VirtualizationTestCases
Change-Id: Iceec9b34e9785a1ae36452bfc2653c3c045f4dfa
18 files changed