Move e2e tests into sdkextensions project am: 88598f1467 am: b3b8174741 am: 90c3eecf47 am: 630a347708

Original change: https://android-review.googlesource.com/c/platform/packages/modules/SdkExtensions/+/1358331

Change-Id: I5a011e7fd9ec417a5de2874471a7d7cd2474e9a5