Update LLVM lit test configuration to be able to work for 3.6.

Add support for building more host verification tools:
+ LLVMHello.so (loadable plugin pass)
+ lli-child-target
+ llvm-symbolizer (missing some Android.mk magic)
+ llvm-vtabledump
+ verify-uselistorder

Change-Id: Id7a9397bf458e97fc330ea0301ebb001750aac7c
Merge "Update LLVM lit test configuration to be able to work for 3.6."