Merge "linker/Android.bp: factor out duplicated flags." into main am: b73c1c8eb6

Original change: https://android-review.googlesource.com/c/platform/bionic/+/3162616

Change-Id: I152f9a9ccd4a5c9127f53cfa8a4472a86aec3af6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>