Add SELinux Policy for RILD to access FSG partition

Cherry-pick of commit 61191ea97e3d2172fe853061ba093d54b55ad95a

QCRIL has to access FSG partition which contains the MCFG MBN files
for downloading to modem.

Bug: 18487207

Change-Id: I628653a9f1593151efe5db39832cadf7d77a5475
Add shamu-specific service_manager access.

Commit: cd82557d4069c20bda8e18aa7f72fc0521a3ae32 removes the global
find and list service_manager permissions.  Add those that are
currently, but not explicitly, used.

Bug: 18106000

Change-Id: Ie0ce8de2af8af2cbe4ce388a2dcf4534694c994a
Cleanup Obsolete LOCAL_PRELINK_MODULE.

Bug: 18675947
Change-Id: I0d8e315f5d0658c9e59d1b59f2ea973f50b5f876