[automerger skipped] simpleperf: add Broadcom STB into whitelist, omit tests requiring hw counters. am: 756a972f99 am: edbaad6e8f -s ours

am skip reason: Change-Id Iddfb34bfa1d66e37398bb162f8e1cfa645d756f4 with SHA-1 d8c0cf0f40 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/extras/+/11735563

Change-Id: I2dacbb5d3ee31954d35c8347e26a0d92cfc2087a