Merge "Remove unnecessary "_external" suffix from libcppbor" into main am: 2fc36745c1 am: 21d14328fd

Original change: https://android-review.googlesource.com/c/platform/system/security/+/3019167

Change-Id: Ida6789dfee322c743fc530c32ce08b40ed43fed0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>