Use clean calling identity to clear preferred activities am: 089b0bb4f9 am: 18b130197e am: 18a483e084

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12149990

Change-Id: I2af4b55772cec9c6104136b1196c957a8c12ecb5