Install libvintf_jni

libvintf_jni is for android.os.{VintfObject, VintfRuntimeInfo} classes
and wraps the libvintf queries.

It's extracted from libandroid_runtime to avoid loading libvintf in
zygote processes.

Bug: 270169217
Test: atest VintfObjectTest
Change-Id: I653e4eb15bae91822d62e05224e743c17b00114c