Merge "conv_linker_config handling existing output file" am: 36d1cd0189 am: 6ee94678b0

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2475245

Change-Id: I1168ac89d85d12ba6bd785d748d12e1b1618acd4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>