Add Bitness enum to NativePoc.

This allows shorter, more readable code when poc bitness is set at runtime.
This is generally called as:

NativePoc.builder()
    .pocName(....)
    .bitness(is64bit ? ONLY64 : ONLY32)
    .build()
    .run(this);

Bug: 267681397
Test: run test for CVE_2022_20416 modified with this API.
Change-Id: If081e2202dbcaf2a43926f96575d8dfd84e9903f
1 file changed
tree: 9f602e5eaa1510cef23389b4425d09b57470695f
  1. build/
  2. docs/
  3. emu_test/
  4. libraries/
  5. scripts/
  6. tests/
  7. utils/
  8. PREUPLOAD.cfg