Always convert prebuilt cc library headers am: 86a407f2 am: 3c94d1a5 am:...

Always convert prebuilt cc library headers am: 86a407f2 am: 3c94d1a5 am: 817fb976 am: c0d64cc6 am: c11ae207

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2754806



Change-Id: Ibd3a1bad9eb2b2337abce9eede52902ed2b73909
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>