Merge "Remove the system-api-stubs-docs target" am: d0fb632e4b am: cca63b3099 am: 4d6f4e1374 am: 557f955774

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1496267

Change-Id: I4ab40120d1d2e6a2e4d70ea0fc9138a2f6c0e088