Check if the type of an instruction is erroneous before inlining.

We can get HInstructions typed with a class that is in an error state.
For such classes, we cannot look at the vtable or imt table as they
are not cleanly populated.

bug:27683927

Change-Id: I0d64ca470e1cb6cf9b40e9f02bb9b0bb12c2bac1
7 files changed