Disable sanitizer flags and output files for sanitizer-enabled SDK members.

Test: build/soong/soong_ui.bash --make-mode \
      TARGET_PRODUCT=aosp_blueline_hwasan \
      TARGET_BUILD_VARIANT=userdebug nothing
Test: build/soong/scripts/build-aml-prebuilts.sh \
      runtime-module-{sdk,host-exports} \
      platform-mainline-{sdk,test-exports}
  Check that generated Android.bp files don't differ
Bug: 171754462
Change-Id: Ieef40ff202ceda2d9e613a5d9295f5c9d8160626