[automerger skipped] Remove code related to stolen trace sessions am: b738940c -s ours

am skip reason: Merged-In I9b199c3040db47cdf1c6ef7cd03567e785a63b17 with SHA-1 16526990 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/28802242



Change-Id: I96b45c09f70ab6cbfd84390ed6987b3e27db4991
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>