Replace LayoutStrategy buffered_bytes with a buffered bytes tracker #34770

Job	Run time
Rust build (default features)	8m 29s
measurement_id golden vectors	23s
C/C++ (lint)	8s
Check build with minimal dependencies	2m 25s
lint-toml	9s
License Check and Audit Check (advisories)	55s
WASM integration smoke test	2m 29s
Rust (lint, no default)	2m 42s
Rust build (all-features)	8m 6s
Python (test)	2m 19s
Python CUDA (test)	3m 44s
C API test build	33s
validate-workflow-yaml	8s
Rust build (wasm32 with default features)	9m 3s
Check generated source files are up to date	38s
Rust (btrblocks golden corpus)	59s
License Check and Audit Check (bans licenses sources)	48s
Java	2m 29s
Rust build (with tokio dispatcher)	47s
C++ API	2m 2s
Python (lint)	1m 16s
Mirror DuckDB to R2 / Resolve DuckDB version and check R2	5s
Mirror DuckDB to R2 / Mirror DuckDB ${{ matrix.archive }} to R2	0s
DuckDB libraries available in R2	2s
Rust tests (linux-arm64)	4m 23s
Rust (lint)	2m 24s
Rust tests (windows-x64)	7m 49s
SQL logic tests	5m 23s
Rust (docs)	2m 40s
	1h 13m 18s

Provide feedback