When the modem setup is done is init.efs.rc file,
there is boot time regression in the 4kb configuration.
Bug: 374435821
Flag: EXEMPT bugfix
Test: Build and tested in abtd
Change-Id: I909f9eb45f783fda45e7782419845d236c263aa0
The setup of the persist partition is moved to init.persist.rc.
This will make easier to configure 16kb targets in follow up
changes.
Bug: 347015136
Test: $ source build/envsetup.sh
$ lunch [zumapro]-trunk_staging-userdebug
$ m
$ ./vendor/google/tools/flashall -w
Flag: EXEMPT bugfix
Change-Id: Ifd17fc1f25ea8cf73470630e14a38116e0b7b96a