Improve JDWP error handling.

In particular, we can't use NULL to mean "invalid"; some JDWP calls
legitimately need to handle NULL.

Change-Id: Iec4fac5521994bdb1f59677bd5af153684d4e266
4 files changed
tree: 400ab4354ac9b1c67f2e94802f4d936e8739c163
  1. build/
  2. jdwpspy/
  3. src/
  4. test/
  5. tools/
  6. .gitignore
  7. Android.mk