Escaping double quotes inside the JSON quoted string am: a77fc883cb am: 360837fe43 am: b25bbf6865 am: 31b1f8c3bb

Original change: https://android-review.googlesource.com/c/platform/external/google-fonts/rubik/+/2151738

Change-Id: I1d2ad446639692a1a705cfefa904770fb6b707a3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>