Turn off BTI in python am: 33280a68dc

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/python/cpython3/+/38921197

Change-Id: Ic0aa73711f1de4c9ffea1347fe14e19c45c9d918
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>