As feedback count is defined as uint_8 type. It's value will be logged as an ASCII char instead of digits. This CL converts it to uint32_t for correct logging.
As feedback count is defined as uint_8 type. It's value will be logged
as an ASCII char instead of digits. This CL converts it to uint32_t for
correct logging.

BUG=

Review URL: https://codereview.chromium.org/1851183002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#384774}

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