Escaping double quotes inside the JSON quoted string am: b934b632a7 am: 8b9edb99b0 am: 92207575a2 am: 1cb10625f9 am: 940f416cba

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

Change-Id: Ifdac80a975eead1c99e9e86d40a9538c176dabf8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>