Allow for setting a logging_parent for an Apex.

Test: go test ./... -test.v -run TestOverrideApex
BUG: 148198056
Change-Id: Ib3749e59f5e31903f2dbe75f86534738147a55ec

apex/apex_test.go

@@ -3230,6 +3230,7 @@ func TestOverrideApex(t *testing.T) {
 			base: "myapex",
 			apps: ["override_app"],
 			overrides: ["unknownapex"],
+			logging_parent: "com.foo.bar",
 		}
 
 		apex_key {
@@ -3276,6 +3277,10 @@ func TestOverrideApex(t *testing.T) {
 		t.Errorf("name should be \"override_myapex\", but was %q", name)
 	}
 
+	if apexBundle.overridableProperties.Logging_parent != "com.foo.bar" {
+		t.Errorf("override_myapex should have logging parent (com.foo.bar), but was %q.", apexBundle.overridableProperties.Logging_parent)
+	}
+
 	data := android.AndroidMkDataForTest(t, config, "", apexBundle)
 	var builder strings.Builder
 	data.Custom(&builder, name, "TARGET_", "", data)