Fix oat_test for the LLVM route.
Fix oat_test for the LLVM route.

LLVM doesn't use Frame, so we don't need to check the frame size.

While testing the elf reader, We may need to add other checks such as:
EXPECT_EQ(oat_method.GetElfIndex(), compiled_method->GetElfIndex());

(cherry picked from commit edec37249f46e11cbfe25eb10a3ab64ee4112b79)

Change-Id: I6b200eb1128ae6e72012d7e683db40ea4764ba6b

treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst