Do not add dependencies of shared SDK libraries to manifest_fixer.

Test: lunch aosp_cf_x86_phone-userdebug && m
Bug: 132357300
Bug: 168686456
Change-Id: Ibd9742684fa6a8f1353ca0e513f7fa814a6ec9fc
diff --git a/dexpreopt/class_loader_context.go b/dexpreopt/class_loader_context.go
index 77d6ee9..b910a70 100644
--- a/dexpreopt/class_loader_context.go
+++ b/dexpreopt/class_loader_context.go
@@ -71,6 +71,10 @@
 
 	// Nested class loader subcontexts for dependencies.
 	Subcontexts []*ClassLoaderContext
+
+	// If the library is a shared library. This affects which elements of class loader context are
+	// added as <uses-library> tags by the manifest_fixer (dependencies of shared libraries aren't).
+	IsSharedLibrary bool
 }
 
 // ClassLoaderContextMap is a map from SDK version to a class loader context.
@@ -81,7 +85,7 @@
 
 // Add class loader context for the given library to the map entry for the given SDK version.
 func (clcMap ClassLoaderContextMap) addContext(ctx android.ModuleInstallPathContext, sdkVer int, lib string,
-	hostPath, installPath android.Path, strict bool, nestedClcMap ClassLoaderContextMap) error {
+	shared bool, hostPath, installPath android.Path, strict bool, nestedClcMap ClassLoaderContextMap) error {
 
 	// If missing dependencies are allowed, the build shouldn't fail when a <uses-library> is
 	// not found. However, this is likely to result is disabling dexpreopt, as it won't be
@@ -128,46 +132,46 @@
 	}
 
 	clcMap[sdkVer] = append(clcMap[sdkVer], &ClassLoaderContext{
-		Name:        lib,
-		Host:        hostPath,
-		Device:      devicePath,
-		Subcontexts: subcontexts,
+		Name:            lib,
+		Host:            hostPath,
+		Device:          devicePath,
+		Subcontexts:     subcontexts,
+		IsSharedLibrary: shared,
 	})
 	return nil
 }
 
 // Wrapper around addContext that reports errors.
 func (clcMap ClassLoaderContextMap) addContextOrReportError(ctx android.ModuleInstallPathContext, sdkVer int, lib string,
-	hostPath, installPath android.Path, strict bool, nestedClcMap ClassLoaderContextMap) {
+	shared bool, hostPath, installPath android.Path, strict bool, nestedClcMap ClassLoaderContextMap) {
 
-	err := clcMap.addContext(ctx, sdkVer, lib, hostPath, installPath, strict, nestedClcMap)
+	err := clcMap.addContext(ctx, sdkVer, lib, shared, hostPath, installPath, strict, nestedClcMap)
 	if err != nil {
 		ctx.ModuleErrorf(err.Error())
-		android.ReportPathErrorf(ctx, err.Error())
 	}
 }
 
 // Add class loader context. Fail on unknown build/install paths.
 func (clcMap ClassLoaderContextMap) AddContext(ctx android.ModuleInstallPathContext, lib string,
-	hostPath, installPath android.Path) {
+	shared bool, hostPath, installPath android.Path) {
 
-	clcMap.addContextOrReportError(ctx, AnySdkVersion, lib, hostPath, installPath, true, nil)
+	clcMap.addContextOrReportError(ctx, AnySdkVersion, lib, shared, hostPath, installPath, true, nil)
 }
 
 // Add class loader context if the library exists. Don't fail on unknown build/install paths.
 func (clcMap ClassLoaderContextMap) MaybeAddContext(ctx android.ModuleInstallPathContext, lib *string,
-	hostPath, installPath android.Path) {
+	shared bool, hostPath, installPath android.Path) {
 
 	if lib != nil {
-		clcMap.addContextOrReportError(ctx, AnySdkVersion, *lib, hostPath, installPath, false, nil)
+		clcMap.addContextOrReportError(ctx, AnySdkVersion, *lib, shared, hostPath, installPath, false, nil)
 	}
 }
 
 // Add class loader context for the given SDK version. Fail on unknown build/install paths.
 func (clcMap ClassLoaderContextMap) AddContextForSdk(ctx android.ModuleInstallPathContext, sdkVer int,
-	lib string, hostPath, installPath android.Path, nestedClcMap ClassLoaderContextMap) {
+	lib string, shared bool, hostPath, installPath android.Path, nestedClcMap ClassLoaderContextMap) {
 
-	clcMap.addContextOrReportError(ctx, sdkVer, lib, hostPath, installPath, true, nestedClcMap)
+	clcMap.addContextOrReportError(ctx, sdkVer, lib, shared, hostPath, installPath, true, nestedClcMap)
 }
 
 // Merge the other class loader context map into this one, do not override existing entries.
@@ -204,7 +208,9 @@
 	}
 }
 
-// List of libraries in the unconditional class loader context, excluding dependencies of shared libraries.
+// List of libraries in the unconditional class loader context, excluding dependencies of shared
+// libraries. These libraries should be in the <uses-library> tags in the manifest. Some of them may
+// be present in the original manifest, others are added by the manifest_fixer.
 func (clcMap ClassLoaderContextMap) UsesLibs() (ulibs []string) {
 	if clcMap != nil {
 		// compatibility libraries (those in conditional context) are not added to <uses-library> tags
@@ -217,7 +223,12 @@
 func usesLibsRec(clcs []*ClassLoaderContext) (ulibs []string) {
 	for _, clc := range clcs {
 		ulibs = append(ulibs, clc.Name)
-		ulibs = append(ulibs, usesLibsRec(clc.Subcontexts)...)
+		// <uses-library> tags in the manifest should not include dependencies of shared libraries,
+		// because PackageManager already tracks all such dependencies and automatically adds their
+		// class loader contexts as subcontext of the shared library.
+		if !clc.IsSharedLibrary {
+			ulibs = append(ulibs, usesLibsRec(clc.Subcontexts)...)
+		}
 	}
 	return ulibs
 }
diff --git a/dexpreopt/class_loader_context_test.go b/dexpreopt/class_loader_context_test.go
index e0a75bf..abfca27 100644
--- a/dexpreopt/class_loader_context_test.go
+++ b/dexpreopt/class_loader_context_test.go
@@ -25,6 +25,11 @@
 	"android/soong/android"
 )
 
+const (
+	shared    = true  // dependencies are not added to uses libs
+	nonshared = false // dependencies are added to uses libs
+)
+
 func TestCLC(t *testing.T) {
 	// Construct class loader context with the following structure:
 	// .
@@ -50,36 +55,36 @@
 
 	m := make(ClassLoaderContextMap)
 
-	m.AddContext(ctx, "a", buildPath(ctx, "a"), installPath(ctx, "a"))
-	m.AddContext(ctx, "b", buildPath(ctx, "b"), installPath(ctx, "b"))
+	m.AddContext(ctx, "a", nonshared, buildPath(ctx, "a"), installPath(ctx, "a"))
+	m.AddContext(ctx, "b", shared, buildPath(ctx, "b"), installPath(ctx, "b"))
 
 	// "Maybe" variant in the good case: add as usual.
 	c := "c"
-	m.MaybeAddContext(ctx, &c, buildPath(ctx, "c"), installPath(ctx, "c"))
+	m.MaybeAddContext(ctx, &c, nonshared, buildPath(ctx, "c"), installPath(ctx, "c"))
 
 	// "Maybe" variant in the bad case: don't add library with unknown name, keep going.
-	m.MaybeAddContext(ctx, nil, nil, nil)
+	m.MaybeAddContext(ctx, nil, nonshared, nil, nil)
 
 	// Add some libraries with nested subcontexts.
 
 	m1 := make(ClassLoaderContextMap)
-	m1.AddContext(ctx, "a1", buildPath(ctx, "a1"), installPath(ctx, "a1"))
-	m1.AddContext(ctx, "b1", buildPath(ctx, "b1"), installPath(ctx, "b1"))
+	m1.AddContext(ctx, "a1", nonshared, buildPath(ctx, "a1"), installPath(ctx, "a1"))
+	m1.AddContext(ctx, "b1", shared, buildPath(ctx, "b1"), installPath(ctx, "b1"))
 
 	m2 := make(ClassLoaderContextMap)
-	m2.AddContext(ctx, "a2", buildPath(ctx, "a2"), installPath(ctx, "a2"))
-	m2.AddContext(ctx, "b2", buildPath(ctx, "b2"), installPath(ctx, "b2"))
-	m2.AddContextForSdk(ctx, AnySdkVersion, "c2", buildPath(ctx, "c2"), installPath(ctx, "c2"), m1)
+	m2.AddContext(ctx, "a2", nonshared, buildPath(ctx, "a2"), installPath(ctx, "a2"))
+	m2.AddContext(ctx, "b2", shared, buildPath(ctx, "b2"), installPath(ctx, "b2"))
+	m2.AddContextForSdk(ctx, AnySdkVersion, "c2", shared, buildPath(ctx, "c2"), installPath(ctx, "c2"), m1)
 
 	m3 := make(ClassLoaderContextMap)
-	m3.AddContext(ctx, "a3", buildPath(ctx, "a3"), installPath(ctx, "a3"))
-	m3.AddContext(ctx, "b3", buildPath(ctx, "b3"), installPath(ctx, "b3"))
+	m3.AddContext(ctx, "a3", nonshared, buildPath(ctx, "a3"), installPath(ctx, "a3"))
+	m3.AddContext(ctx, "b3", shared, buildPath(ctx, "b3"), installPath(ctx, "b3"))
 
-	m.AddContextForSdk(ctx, AnySdkVersion, "d", buildPath(ctx, "d"), installPath(ctx, "d"), m2)
+	m.AddContextForSdk(ctx, AnySdkVersion, "d", nonshared, buildPath(ctx, "d"), installPath(ctx, "d"), m2)
 	// When the same library is both in conditional and unconditional context, it should be removed
 	// from conditional context.
-	m.AddContextForSdk(ctx, 42, "f", buildPath(ctx, "f"), installPath(ctx, "f"), nil)
-	m.AddContextForSdk(ctx, AnySdkVersion, "f", buildPath(ctx, "f"), installPath(ctx, "f"), nil)
+	m.AddContextForSdk(ctx, 42, "f", nonshared, buildPath(ctx, "f"), installPath(ctx, "f"), nil)
+	m.AddContextForSdk(ctx, AnySdkVersion, "f", nonshared, buildPath(ctx, "f"), installPath(ctx, "f"), nil)
 
 	// Merge map with implicit root library that is among toplevel contexts => does nothing.
 	m.AddContextMap(m1, "c")
@@ -88,12 +93,12 @@
 	m.AddContextMap(m3, "m_g")
 
 	// Compatibility libraries with unknown install paths get default paths.
-	m.AddContextForSdk(ctx, 29, AndroidHidlManager, buildPath(ctx, AndroidHidlManager), nil, nil)
-	m.AddContextForSdk(ctx, 29, AndroidHidlBase, buildPath(ctx, AndroidHidlBase), nil, nil)
+	m.AddContextForSdk(ctx, 29, AndroidHidlManager, nonshared, buildPath(ctx, AndroidHidlManager), nil, nil)
+	m.AddContextForSdk(ctx, 29, AndroidHidlBase, nonshared, buildPath(ctx, AndroidHidlBase), nil, nil)
 
 	// Add "android.test.mock" to conditional CLC, observe that is gets removed because it is only
 	// needed as a compatibility library if "android.test.runner" is in CLC as well.
-	m.AddContextForSdk(ctx, 30, AndroidTestMock, buildPath(ctx, AndroidTestMock), nil, nil)
+	m.AddContextForSdk(ctx, 30, AndroidTestMock, nonshared, buildPath(ctx, AndroidTestMock), nil, nil)
 
 	valid, validationError := validateClassLoaderContext(m)
 
@@ -153,7 +158,7 @@
 
 	// Test for libraries that are added by the manifest_fixer.
 	t.Run("uses libs", func(t *testing.T) {
-		wantUsesLibs := []string{"a", "b", "c", "d", "a2", "b2", "c2", "a1", "b1", "f", "a3", "b3"}
+		wantUsesLibs := []string{"a", "b", "c", "d", "a2", "b2", "c2", "f", "a3", "b3"}
 		if !reflect.DeepEqual(wantUsesLibs, haveUsesLibs) {
 			t.Errorf("\nwant uses libs: %s\nhave uses libs: %s", wantUsesLibs, haveUsesLibs)
 		}
@@ -164,7 +169,7 @@
 func TestCLCUnknownBuildPath(t *testing.T) {
 	ctx := testContext()
 	m := make(ClassLoaderContextMap)
-	err := m.addContext(ctx, AnySdkVersion, "a", nil, nil, true, nil)
+	err := m.addContext(ctx, AnySdkVersion, "a", nonshared, nil, nil, true, nil)
 	checkError(t, err, "unknown build path to <uses-library> \"a\"")
 }
 
@@ -172,7 +177,7 @@
 func TestCLCUnknownInstallPath(t *testing.T) {
 	ctx := testContext()
 	m := make(ClassLoaderContextMap)
-	err := m.addContext(ctx, AnySdkVersion, "a", buildPath(ctx, "a"), nil, true, nil)
+	err := m.addContext(ctx, AnySdkVersion, "a", nonshared, buildPath(ctx, "a"), nil, true, nil)
 	checkError(t, err, "unknown install path to <uses-library> \"a\"")
 }
 
@@ -181,7 +186,7 @@
 
 	m := make(ClassLoaderContextMap)
 	a := "a"
-	m.MaybeAddContext(ctx, &a, nil, nil)
+	m.MaybeAddContext(ctx, &a, nonshared, nil, nil)
 
 	// The library should be added to <uses-library> tags by the manifest_fixer.
 	t.Run("maybe add", func(t *testing.T) {
@@ -203,9 +208,9 @@
 func TestCLCNestedConditional(t *testing.T) {
 	ctx := testContext()
 	m1 := make(ClassLoaderContextMap)
-	m1.AddContextForSdk(ctx, 42, "a", buildPath(ctx, "a"), installPath(ctx, "a"), nil)
+	m1.AddContextForSdk(ctx, 42, "a", nonshared, buildPath(ctx, "a"), installPath(ctx, "a"), nil)
 	m := make(ClassLoaderContextMap)
-	err := m.addContext(ctx, AnySdkVersion, "b", buildPath(ctx, "b"), installPath(ctx, "b"), true, m1)
+	err := m.addContext(ctx, AnySdkVersion, "b", nonshared, buildPath(ctx, "b"), installPath(ctx, "b"), true, m1)
 	checkError(t, err, "nested class loader context shouldn't have conditional part")
 }