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

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

Change-Id: If364b63127535c8ab3c194dd2bc39dceab58bb5d