Merge "LBR Documentation: Added Detailed Guide for Collecting LBR Data on Intel(R) x86 Platforms" into main am: 1353d64cb0

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/3529764

Change-Id: I69e8c6667f6a3bc295afc226b333949c35f366c0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>