Fix bootclasspath_fragment build failure during from-text stub build am: 7e9e20e3

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2558571



Change-Id: I3e144cef82e74f5abfb38c534f126ada7e991872
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>