Update BlobStorePerfTests test config.

As part of bringing up these tests in Cystalball,
use Collector helper library to wait for device to stabilize
before running the test.

Bug: 163826419
Test: atest BlobStorePerfTests
Change-Id: Iad31b9e0a5b1f17f83499984f41e39118d8cc153
2 files changed