Merge "Create a soong module for ndk_system STL headers" into main am: 63e2c5671e am: 3278dc2723 am: a3ed228b33

Original change: https://android-review.googlesource.com/c/platform/prebuilts/ndk/+/2744135

Change-Id: I5cf4e645c808f9bae4087b4e8f0da41582132a35
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>