ART: Enable Clang's -Wdeprecated

Replace throw() with noexcept.

Add default copy constructors and copy assignment constructors for
cases with destructors, as the implicit definition is deprecated.

Change-Id: Ice306a3f510b072b00bec4d4360f7c8055135c9d
diff --git a/runtime/oat_file.h b/runtime/oat_file.h
index 2b9ef9d..73a8c8e 100644
--- a/runtime/oat_file.h
+++ b/runtime/oat_file.h
@@ -134,8 +134,11 @@
     OatMethod(const uint8_t* base, const uint32_t code_offset)
         : begin_(base), code_offset_(code_offset) {
     }
+    OatMethod(const OatMethod&) = default;
     ~OatMethod() {}
 
+    OatMethod& operator=(const OatMethod&) = default;
+
     // A representation of an invalid OatMethod, used when an OatMethod or OatClass can't be found.
     // See ClassLinker::FindOatMethodFor.
     static const OatMethod Invalid() {