pw_bloat: Fix default data source
pw_bloat: Fix default data source

pwrev/108912 accidentally changed the default data sources provided to
bloaty in bloat.py, breaking some size reports. This reverts that to the
intended list.

Change-Id: I2abcaa8def9b301c61a486a7b86fbcca1e268da1
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/112312
Pigweed-Auto-Submit: Alexei Frolov <a1b001416a8cf9aaea32a3411f8f3c0793ebc0b5@google.com>
Commit-Queue: Auto-Submit <14637eda5603879df170705285bf30f5996692f0@pigweed.google.com.iam.gserviceaccount.com>
Reviewed-by: Armando Montanez <97ef6fdb231c129ac8827d9f0c4106bfbf57f74f@google.com>

google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed