Convert extract_lsdump to python3

This commit converts extract_lsdump to a python3 host binary, and
corrects the shebang of utils.py and vts_vndk_dependency_test.py.

Test: LD_LIBRARY_PATH=out/host/linux-x86/lib64 atest vts_vndk_abi_test
Test: ./extract_lsdump.py libc++.so.lsdump test.json
Bug: 149175823
Change-Id: Iff8d9134fac3f955ea2740ab46c3bf628230ca33
4 files changed