Soong: check if lndk is needed for apex build

This is to fix the unnecessary dependencies inclusion
when building apex modules.

Test: Build
Bug: 186306595
Change-Id: I1f3bbdb0a1f97a8338b45ca29c92acf9b20eadd3

cc/cc.go

@@ -3230,6 +3230,9 @@ func (c *Module) DepIsInSameApex(ctx android.BaseModuleContext, dep android.Modu
 				return false
 			}
 		}
+		if cc.IsLlndk() {
+			return false
+		}
 		if isLibDepTag && c.static() && libDepTag.shared() {
 			// shared_lib dependency from a static lib is considered as crossing
 			// the APEX boundary because the dependency doesn't actually is