Merge "Upgrade pcre to pcre2-10.38" am: 20935b73fe am: 02a1009488 am: 2c910a1b0f am: b37d83a5d8

Original change: https://android-review.googlesource.com/c/platform/external/pcre/+/1843561

Change-Id: Ibd37ae2ce8bb6f3305484e1b1e7fa1dc92ff1ff6