Revert "Set targetsdkversion to future level if TARGET_BUILD_APPS is not empty"

This reverts commit e33e25b4a5260994e05afb381e7da1eb09e6dbf2.

Reason for revert: may causing b/209301265,
Test: https://android-build.googleplex.com/builds/abtd/run/L66400000952203490
Change-Id: Ifcccdcfbfc014d4172f4d9488ea699380d3f3ebe
diff --git a/java/android_manifest.go b/java/android_manifest.go
index 3a1f5fc..38065f1 100644
--- a/java/android_manifest.go
+++ b/java/android_manifest.go
@@ -16,7 +16,6 @@
 
 import (
 	"fmt"
-	"strconv"
 	"strings"
 
 	"github.com/google/blueprint"
@@ -43,20 +42,6 @@
 	},
 	"args", "libs")
 
-// targetSdkVersion for manifest_fixer
-// When TARGET_BUILD_APPS is not empty, this method returns the unreleased(future) API level
-// This enables release builds (that run with TARGET_BUILD_APPS=[val...]) to target APIs that have not yet been finalized as part of an SDK
-func targetSdkVersionForManifestFixer(ctx android.ModuleContext, sdkContext android.SdkContext) string {
-	if ctx.Config().UnbundledBuildApps() {
-		return strconv.Itoa(android.FutureApiLevel.FinalOrFutureInt())
-	}
-	targetSdkVersion, err := sdkContext.TargetSdkVersion(ctx).EffectiveVersionString(ctx)
-	if err != nil {
-		ctx.ModuleErrorf("invalid targetSdkVersion: %s", err)
-	}
-	return targetSdkVersion
-}
-
 // Uses manifest_fixer.py to inject minSdkVersion, etc. into an AndroidManifest.xml
 func manifestFixer(ctx android.ModuleContext, manifest android.Path, sdkContext android.SdkContext,
 	classLoaderContexts dexpreopt.ClassLoaderContextMap, isLibrary, useEmbeddedNativeLibs, usesNonSdkApis,
@@ -104,7 +89,10 @@
 		args = append(args, "--logging-parent", loggingParent)
 	}
 	var deps android.Paths
-	targetSdkVersion := targetSdkVersionForManifestFixer(ctx, sdkContext)
+	targetSdkVersion, err := sdkContext.TargetSdkVersion(ctx).EffectiveVersionString(ctx)
+	if err != nil {
+		ctx.ModuleErrorf("invalid targetSdkVersion: %s", err)
+	}
 	if UseApiFingerprint(ctx) && ctx.ModuleName() != "framework-res" {
 		targetSdkVersion = ctx.Config().PlatformSdkCodename() + fmt.Sprintf(".$$(cat %s)", ApiFingerprintPath(ctx).String())
 		deps = append(deps, ApiFingerprintPath(ctx))