Rename javalib/ to java and move APIs to java/framework am: 37a795c1e9

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/2969191

Change-Id: I96494a51711fb670ffc9bdb596b127c298eb8948
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>