Don't free the locale pointer in a paragraph style.
Don't free the locale pointer in a paragraph style.

The locale is malloc'ed using `cacheOrCopyString`, which should never
be explicitly freed.

Change-Id: I6a911c52f1f485b34fad86303a1f4be199195858
Cq-Include-Trybots: luci.skia.skia.primary:Test-Debian10-EMCC-GCE-CPU-AVX2-wasm-Release-All-CanvasKit,Test-Debian10-EMCC-GCE-GPU-AVX2-wasm-Release-All-CanvasKit
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/459835
Reviewed-by: Kevin Lubick <7cdab2cfab351f23814786ba39716e90eed69047@google.com>
Commit-Queue: Kevin Lubick <7cdab2cfab351f23814786ba39716e90eed69047@google.com>

aosp-mirror/platform_external_skia,google/skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,google/skia,google/skia,google/skia,google/skia,google/skia,aosp-mirror/platform_external_skia,google/skia,google/skia,aosp-mirror/platform_external_skia,google/skia,google/skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia