Merge "Define android.software.credentials.xml as prebuilt_etc" into main am: c9e99f797b

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/3152117

Change-Id: I789312d71bdc7e3c0b8024054590c26c453181e2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>