update gradle to 4.0

handle InvokePolymorphicExpr as java8 style

fix compiler error in generating asmifier of dex file

--HG--
branch : 2.x

merge 2.x to default

merge 0.0.9.15 to default

merge 0.0.9.14 to default

merge 0.0.9.x to default

reset the version to 0.0.9.12

merge 0.0.9.11 to default

merge 0.0.9.10 to default