lineage: Restore os_pickup_aosp.mk

$ find hardware/qcom* -name Android.mk
hardware/qcom/wlan/wcn6740/Android.mk
hardware/qcom/wlan/wcn6740/wcnss-service/Android.mk
hardware/qcom/wlan/wcn6740/qcwcn/Android.mk
hardware/qcom/wlan/wcn6740/qcwcn/config/Android.mk
hardware/qcom/wlan/Android.mk
hardware/qcom/wlan/legacy/Android.mk
hardware/qcom/wlan/legacy/qcwcn/Android.mk
hardware/qcom/wlan/legacy/qcwcn/config/Android.mk
hardware/qcom/wlan/legacy/qcwcn/wcnss-service/Android.mk
hardware/qcom-caf/wlan/Android.mk
hardware/qcom-caf/wlan/qcwcn/Android.mk
hardware/qcom-caf/wlan/qcwcn/config/Android.mk

Change-Id: I53bf6f054757084f817f55a19e369bfec038b938