[automerger skipped] Restrict creation of bootreceiver tracing instance to 64-bit systems. am: c81fec7d8e -s ours am: 4edf845185 -s ours

am skip reason: skipped by user glider

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/core/+/15981480

Change-Id: Ib161890a4902dafb83b8820c19dcb9656ec2ae21