More stringently verify expected alignment of fields in hidl compound types.

Bug: 33846034
Test: make
Change-Id: Iaadddeabe04e0c721aa9398a1bb748fd6adcac51
diff --git a/PointerType.h b/PointerType.h
index cd0f839..415ba9f 100644
--- a/PointerType.h
+++ b/PointerType.h
@@ -49,8 +49,7 @@
     bool resultNeedsDeref() const override;
 
     bool isJavaCompatible() const override;
-
-    void getAlignmentAndSize(size_t *align, size_t *size) const override;
+    bool containsPointer() const override;
 
     status_t emitVtsTypeDeclarations(Formatter &out) const override;
 };