Remove the return value from dexpreopt

dexpreopt doesn't strip dex files from the input jar anymore, so there's
no point returning the input jar path untouched.

Test: m nothing + TreeHugger
Change-Id: I8fde6cdc19e85a2fbc946513696417b945c5de0f

java/app.go

@@ -1546,11 +1546,11 @@ func (a *AndroidAppImport) generateAndroidBuildActions(ctx android.ModuleContext
 	a.dexpreopter.enforceUsesLibs = a.usesLibrary.enforceUsesLibraries()
 	a.dexpreopter.classLoaderContexts = a.usesLibrary.classLoaderContextForUsesLibDeps(ctx)
 
-	dexOutput := a.dexpreopter.dexpreopt(ctx, jnisUncompressed)
+	a.dexpreopter.dexpreopt(ctx, jnisUncompressed)
 	if a.dexpreopter.uncompressedDex {
 		dexUncompressed := android.PathForModuleOut(ctx, "dex-uncompressed", ctx.ModuleName()+".apk")
-		a.uncompressDex(ctx, dexOutput, dexUncompressed.OutputPath)
-		dexOutput = dexUncompressed
+		a.uncompressDex(ctx, jnisUncompressed, dexUncompressed.OutputPath)
+		jnisUncompressed = dexUncompressed
 	}
 
 	apkFilename := proptools.StringDefault(a.properties.Filename, a.BaseModuleName()+".apk")
@@ -1574,11 +1574,11 @@ func (a *AndroidAppImport) generateAndroidBuildActions(ctx android.ModuleContext
 		if lineage := String(a.properties.Lineage); lineage != "" {
 			lineageFile = android.PathForModuleSrc(ctx, lineage)
 		}
-		SignAppPackage(ctx, signed, dexOutput, certificates, nil, lineageFile)
+		SignAppPackage(ctx, signed, jnisUncompressed, certificates, nil, lineageFile)
 		a.outputFile = signed
 	} else {
 		alignedApk := android.PathForModuleOut(ctx, "zip-aligned", apkFilename)
-		TransformZipAlign(ctx, alignedApk, dexOutput)
+		TransformZipAlign(ctx, alignedApk, jnisUncompressed)
 		a.outputFile = alignedApk
 		a.certificate = PresignedCertificate
 	}

java/dexpreopt.go

@@ -112,13 +112,13 @@ func odexOnSystemOther(ctx android.ModuleContext, installPath android.InstallPat
 	return dexpreopt.OdexOnSystemOtherByName(ctx.ModuleName(), android.InstallPathToOnDevicePath(ctx, installPath), dexpreopt.GetGlobalConfig(ctx))
 }
 
-func (d *dexpreopter) dexpreopt(ctx android.ModuleContext, dexJarFile android.ModuleOutPath) android.ModuleOutPath {
+func (d *dexpreopter) dexpreopt(ctx android.ModuleContext, dexJarFile android.ModuleOutPath) {
 	// TODO(b/148690468): The check on d.installPath is to bail out in cases where
 	// the dexpreopter struct hasn't been fully initialized before we're called,
 	// e.g. in aar.go. This keeps the behaviour that dexpreopting is effectively
 	// disabled, even if installable is true.
 	if d.dexpreoptDisabled(ctx) || d.installPath.Base() == "." {
-		return dexJarFile
+		return
 	}
 
 	globalSoong := dexpreopt.GetGlobalSoongConfig(ctx)
@@ -213,12 +213,10 @@ func (d *dexpreopter) dexpreopt(ctx android.ModuleContext, dexJarFile android.Mo
 	dexpreoptRule, err := dexpreopt.GenerateDexpreoptRule(ctx, globalSoong, global, dexpreoptConfig)
 	if err != nil {
 		ctx.ModuleErrorf("error generating dexpreopt rule: %s", err.Error())
-		return dexJarFile
+		return
 	}
 
 	dexpreoptRule.Build("dexpreopt", "dexpreopt")
 
 	d.builtInstalled = dexpreoptRule.Installs().String()
-
-	return dexJarFile
 }

java/java.go

@@ -1786,7 +1786,7 @@ func (j *Module) compile(ctx android.ModuleContext, aaptSrcJar android.Path) {
 		j.dexJarFile = dexOutputFile
 
 		// Dexpreopting
-		dexOutputFile = j.dexpreopt(ctx, dexOutputFile)
+		j.dexpreopt(ctx, dexOutputFile)
 
 		j.maybeStrippedDexJarFile = dexOutputFile
 
@@ -3123,7 +3123,7 @@ func (j *DexImport) GenerateAndroidBuildActions(ctx android.ModuleContext) {
 
 	j.dexJarFile = dexOutputFile
 
-	dexOutputFile = j.dexpreopt(ctx, dexOutputFile)
+	j.dexpreopt(ctx, dexOutputFile)
 
 	j.maybeStrippedDexJarFile = dexOutputFile