Use soong namespace to branch a implementation of insmod.sh .
The newly added implementation is only added to PRODUCT_PACKAGE
for dev option enabled devices. The only change to the script is
skip loading kernel modules from vendor|system_dlkm when under 16K
mode.
Test: Dev option works
Bug: 319335586
This reverts commit 11eb02562d7e89037c67f5a22a142b110b303a30.
Change-Id: I5f5d4ee79be7f872ec321e93f58f6516974d0cad
99f848ed48