pw_bloat: Fix bloat_main dependency
pw_bloat: Fix bloat_main dependency

The bloat_main source set depends on the headers provided by the
bloat_this_binary source_set.

Change-Id: I28659bd66eca3198fb7c2d3bece2263cbdd33acc
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/32700
Reviewed-by: Rob Mohr <d07614a8a0b466db08f68224f87d738b0f9615cf@google.com>
Commit-Queue: Prashanth Swaminathan <7074f112da8ec89069105f3b18a4ce46a4722488@google.com>

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