Install VINTF fragment modules in the APEX

Currently APEX ignores vintf_fragments modules within the APEX, and all
VINTF fragments are installed with prebuilt_etc modules. This change
installs vintf_fragment modules in the APEX, so any additional
prebuilt_etc modules are not required as long as binaries define
vintf_fragment_modules references.

Bug: 363105686
Test: AOSP CF x86_64 build succeeded
Change-Id: I33b58178cd51dc2c4bb9226fdd68e7990dccd6a2
Merged-In: I33b58178cd51dc2c4bb9226fdd68e7990dccd6a2
diff --git a/apex/apex_test.go b/apex/apex_test.go
index 987cb69..8515792 100644
--- a/apex/apex_test.go
+++ b/apex/apex_test.go
@@ -12208,3 +12208,35 @@
 	fileList := android.ContentFromFileRuleForTests(t, result, partition.Output("fileList"))
 	android.AssertDeepEquals(t, "filesystem with apex", "apex/myapex.apex\n", fileList)
 }
+
+func TestVintfFragmentInApex(t *testing.T) {
+	t.Parallel()
+	ctx := testApex(t, apex_default_bp+`
+		apex {
+			name: "myapex",
+			manifest: ":myapex.manifest",
+			androidManifest: ":myapex.androidmanifest",
+			key: "myapex.key",
+			binaries: [ "mybin" ],
+			updatable: false,
+		}
+
+		cc_binary {
+			name: "mybin",
+			srcs: ["mybin.cpp"],
+			vintf_fragment_modules: ["my_vintf_fragment.xml"],
+			apex_available: [ "myapex" ],
+		}
+
+		vintf_fragment {
+			name: "my_vintf_fragment.xml",
+			src: "my_vintf_fragment.xml",
+		}
+	`)
+
+	generateFsRule := ctx.ModuleForTests("myapex", "android_common_myapex").Rule("generateFsConfig")
+	cmd := generateFsRule.RuleParams.Command
+
+	// Ensure that vintf fragment file is being installed
+	ensureContains(t, cmd, "/etc/vintf/my_vintf_fragment.xml ")
+}