diff --git a/apex/builder.go b/apex/builder.go
index 432fcaa..fc4bf8a 100644
--- a/apex/builder.go
+++ b/apex/builder.go
@@ -398,18 +398,8 @@
 }
 
 func markManifestTestOnly(ctx android.ModuleContext, androidManifestFile android.Path) android.Path {
-	return java.ManifestFixer(java.ManifestFixerParams{
-		Ctx:                   ctx,
-		Manifest:              androidManifestFile,
-		SdkContext:            nil,
-		ClassLoaderContexts:   nil,
-		IsLibrary:             false,
-		UseEmbeddedNativeLibs: false,
-		UsesNonSdkApis:        false,
-		UseEmbeddedDex:        false,
-		HasNoCode:             false,
-		TestOnly:              true,
-		LoggingParent:         "",
+	return java.ManifestFixer(ctx, androidManifestFile, java.ManifestFixerParams{
+		TestOnly: true,
 	})
 }
 
diff --git a/java/aar.go b/java/aar.go
index 51aad8d..8e10253 100644
--- a/java/aar.go
+++ b/java/aar.go
@@ -280,9 +280,7 @@
 	manifestFile := proptools.StringDefault(a.aaptProperties.Manifest, "AndroidManifest.xml")
 	manifestSrcPath := android.PathForModuleSrc(ctx, manifestFile)
 
-	manifestPath := ManifestFixer(ManifestFixerParams{
-		Ctx:                   ctx,
-		Manifest:              manifestSrcPath,
+	manifestPath := ManifestFixer(ctx, manifestSrcPath, ManifestFixerParams{
 		SdkContext:            sdkContext,
 		ClassLoaderContexts:   classLoaderContexts,
 		IsLibrary:             a.isLibrary,
@@ -290,7 +288,6 @@
 		UsesNonSdkApis:        a.usesNonSdkApis,
 		UseEmbeddedDex:        a.useEmbeddedDex,
 		HasNoCode:             a.hasNoCode,
-		TestOnly:              false,
 		LoggingParent:         a.LoggingParent,
 	})
 
diff --git a/java/android_manifest.go b/java/android_manifest.go
index a5d5b97..7772b70 100644
--- a/java/android_manifest.go
+++ b/java/android_manifest.go
@@ -56,8 +56,6 @@
 }
 
 type ManifestFixerParams struct {
-	Ctx                   android.ModuleContext
-	Manifest              android.Path
 	SdkContext            android.SdkContext
 	ClassLoaderContexts   dexpreopt.ClassLoaderContextMap
 	IsLibrary             bool
@@ -70,20 +68,21 @@
 }
 
 // Uses manifest_fixer.py to inject minSdkVersion, etc. into an AndroidManifest.xml
-func ManifestFixer(params ManifestFixerParams) android.Path {
+func ManifestFixer(ctx android.ModuleContext, manifest android.Path,
+	params ManifestFixerParams) android.Path {
 	var args []string
 
 	if params.IsLibrary {
 		args = append(args, "--library")
 	} else if params.SdkContext != nil {
-		minSdkVersion, err := params.SdkContext.MinSdkVersion(params.Ctx).EffectiveVersion(params.Ctx)
+		minSdkVersion, err := params.SdkContext.MinSdkVersion(ctx).EffectiveVersion(ctx)
 		if err != nil {
-			params.Ctx.ModuleErrorf("invalid minSdkVersion: %s", err)
+			ctx.ModuleErrorf("invalid minSdkVersion: %s", err)
 		}
 		if minSdkVersion.FinalOrFutureInt() >= 23 {
 			args = append(args, fmt.Sprintf("--extract-native-libs=%v", !params.UseEmbeddedNativeLibs))
 		} else if params.UseEmbeddedNativeLibs {
-			params.Ctx.ModuleErrorf("module attempted to store uncompressed native libraries, but minSdkVersion=%d doesn't support it",
+			ctx.ModuleErrorf("module attempted to store uncompressed native libraries, but minSdkVersion=%d doesn't support it",
 				minSdkVersion)
 		}
 	}
@@ -124,38 +123,38 @@
 	var argsMapper = make(map[string]string)
 
 	if params.SdkContext != nil {
-		targetSdkVersion := targetSdkVersionForManifestFixer(params.Ctx, params.SdkContext)
+		targetSdkVersion := targetSdkVersionForManifestFixer(ctx, params.SdkContext)
 		args = append(args, "--targetSdkVersion ", targetSdkVersion)
 
-		if UseApiFingerprint(params.Ctx) && params.Ctx.ModuleName() != "framework-res" {
-			targetSdkVersion = params.Ctx.Config().PlatformSdkCodename() + fmt.Sprintf(".$$(cat %s)", ApiFingerprintPath(params.Ctx).String())
-			deps = append(deps, ApiFingerprintPath(params.Ctx))
+		if UseApiFingerprint(ctx) && ctx.ModuleName() != "framework-res" {
+			targetSdkVersion = ctx.Config().PlatformSdkCodename() + fmt.Sprintf(".$$(cat %s)", ApiFingerprintPath(ctx).String())
+			deps = append(deps, ApiFingerprintPath(ctx))
 		}
 
-		minSdkVersion, err := params.SdkContext.MinSdkVersion(params.Ctx).EffectiveVersionString(params.Ctx)
+		minSdkVersion, err := params.SdkContext.MinSdkVersion(ctx).EffectiveVersionString(ctx)
 		if err != nil {
-			params.Ctx.ModuleErrorf("invalid minSdkVersion: %s", err)
+			ctx.ModuleErrorf("invalid minSdkVersion: %s", err)
 		}
 
-		if UseApiFingerprint(params.Ctx) && params.Ctx.ModuleName() != "framework-res" {
-			minSdkVersion = params.Ctx.Config().PlatformSdkCodename() + fmt.Sprintf(".$$(cat %s)", ApiFingerprintPath(params.Ctx).String())
-			deps = append(deps, ApiFingerprintPath(params.Ctx))
+		if UseApiFingerprint(ctx) && ctx.ModuleName() != "framework-res" {
+			minSdkVersion = ctx.Config().PlatformSdkCodename() + fmt.Sprintf(".$$(cat %s)", ApiFingerprintPath(ctx).String())
+			deps = append(deps, ApiFingerprintPath(ctx))
 		}
 
 		if err != nil {
-			params.Ctx.ModuleErrorf("invalid minSdkVersion: %s", err)
+			ctx.ModuleErrorf("invalid minSdkVersion: %s", err)
 		}
 		args = append(args, "--minSdkVersion ", minSdkVersion)
 		args = append(args, "--raise-min-sdk-version")
 	}
 
-	fixedManifest := android.PathForModuleOut(params.Ctx, "manifest_fixer", "AndroidManifest.xml")
+	fixedManifest := android.PathForModuleOut(ctx, "manifest_fixer", "AndroidManifest.xml")
 	argsMapper["args"] = strings.Join(args, " ")
 
-	params.Ctx.Build(pctx, android.BuildParams{
+	ctx.Build(pctx, android.BuildParams{
 		Rule:        manifestFixerRule,
 		Description: "fix manifest",
-		Input:       params.Manifest,
+		Input:       manifest,
 		Implicits:   deps,
 		Output:      fixedManifest,
 		Args:        argsMapper,