Make libjdwp an exported library in the ART APEX.

We need a link to it from the system namespace, since adbconnection can
load it as a JVMTI agent without a class loader, and that is changing
to use the system namespace in https://r.android.com/1673312.

Test: atest CtsJdwpTestCases
Test: atest CtsJdwpTunnelHostTestCases
Bug: 130340935
Change-Id: I58ad5a58339e03280cd6489b3e3b8d343e971088
2 files changed