Don't use sigsegv handler for jvmti.

Disable kEnableOnDemandDexDequicken and return either:
1) Directly the dex file for non-cdex
2) The dex file from the APK/jar for cdex.

Test: test.py
Bug: 196414062

Change-Id: Ia63abe0f761e0842567a51ad1437d221a604a80c
3 files changed