Factor out try item from catch handler finding.

Portable indexs try basic blocks using their try item index. Factor out this
computation from catch handler address computation so that the binary search
code can be shared (WIP for the sharing in
 https://googleplex-android-review.googlesource.com/#/c/281427/20).

Change-Id: Ifea63bf06c0184c6fa7a6aa3a6620711e390069a
2 files changed
tree: f08f3aad803db4400f5de6bcf8d0c8d6e694436b
  1. build/
  2. jdwpspy/
  3. src/
  4. test/
  5. tools/
  6. .gitignore
  7. Android.mk