[coverage] Update PartitionAlloc exclusion files

This CL updates the exclusion list for code coverage instrumentation.
The list is generated with:

```
> find base/allocator/partition_allocator -type f -name "*.cc" | sort
```

Bug: 356570413
Change-Id: I51dae712874e492dc36622a03c9cf53ba43e6566
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7093499
Commit-Queue: Mikihito Matsuura <mikt@google.com>
Reviewed-by: Takuto Ikuta <tikuta@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1537191}
NOKEYCHECK=True
GitOrigin-RevId: 460d3c5b0626ae4cd4338fdb76cedc948f4207bb
1 file changed