Merge "Add context to customization class constructors" am: 4216ae60ac am: 9a496e9e48 am: 55f1a71cb6

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1512870

Change-Id: Ic4fa602547a74e986a5e87ae9afe2cbadf6e9eb0