pixel3_mainline: move the normal fstab path to /vendor/etc/fstab.pixel3_mainline

In aosp/master, GetFstabPath funtion defined here:
     https://android.googlesource.com/platform/system/core/+/refs/heads/master/fs_mgr/fs_mgr_fstab.cpp#411

and the fstab.ramdisk.common does not need to be copied to vendor partition.

Test: boot up pixel3 with mainline kernel: it mounts all partitions correctly, and boots to 'UI',
	also: VtsKernelEncryptionTest#FileBasedEncryptionTest passed 3/3

Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Change-Id: I5a0e3058d0b580aff06bfea1a01eeb666ce14182
1 file changed