Build JDI support jar.

This adds a jdi-support 'jar' which contains the debugee side of the
debugger. This allows for tests and tools to interact with debuggers
using the standard JDI classes without having to rely on the
configuration of the host classpath.

Test: CtsJdwpTunnelTestCases
Test: m jdi-support
Bug: 124507633

Change-Id: I2e38ca05c38d48e7440e3545061ac8e710cd4b57
3 files changed