Merge "Add Automotive OS API 29 stubs to platform SDK optionals. am: ecf644f2d6 am: 7737e3dc01 am: 683c5ffe37 am: d18b3d9a78 am: f5716a7624" into rvc-qpr-dev-plus-aosp am: 6101dcdd6d

Original change: https://googleplex-android-review.googlesource.com/c/platform/development/+/12221485

Change-Id: I2741e6c29a97656b0bd85f781b4dbcaf3a5645a3