Escaping double quotes inside the JSON quoted string am: b934b632a7 am: 8b9edb99b0

Original change: https://android-review.googlesource.com/c/platform/external/python/cryptography/+/2152253

Change-Id: Ifff3bbf6a55620f4fe83b7dae0469a3b617fb6a2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>