Merge "Add android_app_import."
diff --git a/android/neverallow.go b/android/neverallow.go
index fba43b3..9314483 100644
--- a/android/neverallow.go
+++ b/android/neverallow.go
@@ -97,32 +97,15 @@
 		"external/wycheproof",
 	}
 
-	var coreModules = []string{
-		"core-all",
-		"core-oj",
-		"core-libart",
-		"okhttp",
-		"bouncycastle",
-		"conscrypt",
-		"apache-xml",
-	}
-
-	// Core library constraints. Prevent targets adding dependencies on core
-	// library internals, which could lead to compatibility issues with the ART
-	// mainline module. They should use core.platform.api.stubs instead.
+	// Core library constraints. The no_standard_libs can only be used in core
+	// library projects. Access to core library targets is restricted using
+	// visibility rules.
 	rules := []*rule{
 		neverallow().
 			notIn(append(coreLibraryProjects, "development")...).
 			with("no_standard_libs", "true"),
 	}
 
-	for _, m := range coreModules {
-		r := neverallow().
-			notIn(coreLibraryProjects...).
-			with("libs", m).
-			because("Only core libraries projects can depend on " + m)
-		rules = append(rules, r)
-	}
 	return rules
 }
 
diff --git a/android/neverallow_test.go b/android/neverallow_test.go
index d55ca57..00c51ea 100644
--- a/android/neverallow_test.go
+++ b/android/neverallow_test.go
@@ -138,17 +138,6 @@
 		expectedError: "",
 	},
 	{
-		name: "dependency on core-libart",
-		fs: map[string][]byte{
-			"Blueprints": []byte(`
-				java_library {
-					name: "needs_core_libart",
-					libs: ["core-libart"],
-				}`),
-		},
-		expectedError: "Only core libraries projects can depend on core-libart",
-	},
-	{
 		name: "java_device_for_host",
 		fs: map[string][]byte{
 			"Blueprints": []byte(`
diff --git a/android/prebuilt.go b/android/prebuilt.go
index df25a89..2556770 100644
--- a/android/prebuilt.go
+++ b/android/prebuilt.go
@@ -74,6 +74,10 @@
 	}
 }
 
+func (p *Prebuilt) UsePrebuilt() bool {
+	return p.properties.UsePrebuilt
+}
+
 func InitPrebuiltModule(module PrebuiltInterface, srcs *[]string) {
 	p := module.Prebuilt()
 	module.AddProperties(&p.properties)
diff --git a/apex/apex.go b/apex/apex.go
index 7580588..68d0bc1 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -1376,11 +1376,15 @@
 	return android.Paths{p.outputApex}
 }
 
+func (p *Prebuilt) InstallFilename() string {
+	return proptools.StringDefault(p.properties.Filename, p.BaseModuleName()+imageApexSuffix)
+}
+
 func (p *Prebuilt) GenerateAndroidBuildActions(ctx android.ModuleContext) {
 	// TODO(jungjw): Check the key validity.
 	p.inputApex = p.Prebuilt().SingleSourcePath(ctx)
 	p.installDir = android.PathForModuleInstall(ctx, "apex")
-	p.installFilename = proptools.StringDefault(p.properties.Filename, ctx.ModuleName()+imageApexSuffix)
+	p.installFilename = p.InstallFilename()
 	if !strings.HasSuffix(p.installFilename, imageApexSuffix) {
 		ctx.ModuleErrorf("filename should end in %s for prebuilt_apex", imageApexSuffix)
 	}
diff --git a/apex/key.go b/apex/key.go
index 229d593..08cd45e 100644
--- a/apex/key.go
+++ b/apex/key.go
@@ -16,6 +16,7 @@
 
 import (
 	"fmt"
+	"sort"
 	"strings"
 
 	"android/soong/android"
@@ -105,12 +106,31 @@
 
 func (s *apexKeysText) GenerateBuildActions(ctx android.SingletonContext) {
 	s.output = android.PathForOutput(ctx, "apexkeys.txt")
-	var filecontent strings.Builder
+	apexModulesMap := make(map[string]android.Module)
 	ctx.VisitAllModules(func(module android.Module) {
-		if m, ok := module.(android.Module); ok && !m.Enabled() {
-			return
+		if m, ok := module.(*apexBundle); ok && m.Enabled() && m.installable() {
+			apexModulesMap[m.Name()] = m
 		}
+	})
 
+	// Find prebuilts and let them override apexBundle if they are preferred
+	ctx.VisitAllModules(func(module android.Module) {
+		if m, ok := module.(*Prebuilt); ok && m.Enabled() && m.installable() &&
+			m.Prebuilt().UsePrebuilt() {
+			apexModulesMap[m.BaseModuleName()] = m
+		}
+	})
+
+	// iterating over map does not give consistent ordering in golang
+	var moduleNames []string
+	for key, _ := range apexModulesMap {
+		moduleNames = append(moduleNames, key)
+	}
+	sort.Strings(moduleNames)
+
+	var filecontent strings.Builder
+	for _, key := range moduleNames {
+		module := apexModulesMap[key]
 		if m, ok := module.(*apexBundle); ok {
 			fmt.Fprintf(&filecontent,
 				"name=%q public_key=%q private_key=%q container_certificate=%q container_private_key=%q\\n",
@@ -119,8 +139,14 @@
 				m.private_key_file.String(),
 				m.container_certificate_file.String(),
 				m.container_private_key_file.String())
+		} else if m, ok := module.(*Prebuilt); ok {
+			fmt.Fprintf(&filecontent,
+				"name=%q public_key=%q private_key=%q container_certificate=%q container_private_key=%q\\n",
+				m.InstallFilename(),
+				"PRESIGNED", "PRESIGNED", "PRESIGNED", "PRESIGNED")
 		}
-	})
+	}
+
 	ctx.Build(pctx, android.BuildParams{
 		Rule:        android.WriteFile,
 		Description: "apexkeys.txt",
diff --git a/cmd/diff_target_files/known_nondeterminism.whitelist b/cmd/diff_target_files/known_nondeterminism.whitelist
index 6d71403..a8ade49 100644
--- a/cmd/diff_target_files/known_nondeterminism.whitelist
+++ b/cmd/diff_target_files/known_nondeterminism.whitelist
@@ -3,8 +3,6 @@
 [
   {
     "Paths": [
-       // b/120039850
-      "system/framework/oat/*/services.art"
     ]
   }
 ]
diff --git a/dexpreopt/config.go b/dexpreopt/config.go
index f1fa0ff..3b77042 100644
--- a/dexpreopt/config.go
+++ b/dexpreopt/config.go
@@ -59,6 +59,7 @@
 	NeverAllowStripping bool // whether stripping should not be done - used as build time check to make sure dex files are always available
 
 	NoDebugInfo                 bool // don't generate debug info by default
+	DontResolveStartupStrings   bool // don't resolve string literals loaded during application startup.
 	AlwaysSystemServerDebugInfo bool // always generate mini debug info for system server modules (overrides NoDebugInfo=true)
 	NeverSystemServerDebugInfo  bool // never generate mini debug info for system server modules (overrides NoDebugInfo=false)
 	AlwaysOtherDebugInfo        bool // always generate mini debug info for non-system server modules (overrides NoDebugInfo=true)
@@ -301,6 +302,7 @@
 		GenerateDMFiles:                    false,
 		NeverAllowStripping:                false,
 		NoDebugInfo:                        false,
+		DontResolveStartupStrings:          false,
 		AlwaysSystemServerDebugInfo:        false,
 		NeverSystemServerDebugInfo:         false,
 		AlwaysOtherDebugInfo:               false,
diff --git a/dexpreopt/dexpreopt.go b/dexpreopt/dexpreopt.go
index 01ee15e..5b658d9 100644
--- a/dexpreopt/dexpreopt.go
+++ b/dexpreopt/dexpreopt.go
@@ -461,6 +461,9 @@
 		appImageInstallPath := pathtools.ReplaceExtension(odexInstallPath, "art")
 		cmd.FlagWithOutput("--app-image-file=", appImagePath).
 			FlagWithArg("--image-format=", "lz4")
+		if !global.DontResolveStartupStrings {
+			cmd.FlagWithArg("--resolve-startup-const-strings=", "true")
+		}
 		rule.Install(appImagePath, appImageInstallPath)
 	}
 
diff --git a/java/OWNERS b/java/OWNERS
index d68a5b0..16ef4d8 100644
--- a/java/OWNERS
+++ b/java/OWNERS
@@ -1 +1 @@
-per-file dexpreopt.go = ngeoffray@google.com,calin@google.com,mathieuc@google.com
+per-file dexpreopt*.go = ngeoffray@google.com,calin@google.com,mathieuc@google.com
diff --git a/java/dexpreopt_config.go b/java/dexpreopt_config.go
index b30bd00..a0b1ea5 100644
--- a/java/dexpreopt_config.go
+++ b/java/dexpreopt_config.go
@@ -138,21 +138,29 @@
 		global := dexpreoptGlobalConfig(ctx)
 
 		runtimeModules := global.RuntimeApexJars
+		nonFrameworkModules := concat(runtimeModules, global.ProductUpdatableBootModules)
+		frameworkModules := android.RemoveListFromList(global.BootJars, nonFrameworkModules)
+		imageModules := concat(runtimeModules, frameworkModules)
 
-		var runtimeBootLocations []string
+		var bootLocations []string
 
 		for _, m := range runtimeModules {
-			runtimeBootLocations = append(runtimeBootLocations,
+			bootLocations = append(bootLocations,
 				filepath.Join("/apex/com.android.runtime/javalib", m+".jar"))
 		}
 
+		for _, m := range frameworkModules {
+			bootLocations = append(bootLocations,
+				filepath.Join("/system/framework", m+".jar"))
+		}
+
 		// The path to bootclasspath dex files needs to be known at module GenerateAndroidBuildAction time, before
 		// the bootclasspath modules have been compiled.  Set up known paths for them, the singleton rules will copy
 		// them there.
 		// TODO: use module dependencies instead
-		var runtimeBootDexPaths android.WritablePaths
-		for _, m := range runtimeModules {
-			runtimeBootDexPaths = append(runtimeBootDexPaths,
+		var bootDexPaths android.WritablePaths
+		for _, m := range imageModules {
+			bootDexPaths = append(bootDexPaths,
 				android.PathForOutput(ctx, ctx.Config().DeviceName(), "dex_apexjars_input", m+".jar"))
 		}
 
@@ -167,9 +175,9 @@
 
 		return bootImageConfig{
 			name:         "apex",
-			modules:      runtimeModules,
-			dexLocations: runtimeBootLocations,
-			dexPaths:     runtimeBootDexPaths,
+			modules:      imageModules,
+			dexLocations: bootLocations,
+			dexPaths:     bootDexPaths,
 			dir:          dir,
 			symbolsDir:   symbolsDir,
 			images:       images,
diff --git a/java/java.go b/java/java.go
index 6168b38..47dd957 100644
--- a/java/java.go
+++ b/java/java.go
@@ -1253,9 +1253,9 @@
 	// merge implementation jar with resources if necessary
 	implementationAndResourcesJar := outputFile
 	if j.resourceJar != nil {
-		jars := android.Paths{implementationAndResourcesJar, j.resourceJar}
+		jars := android.Paths{j.resourceJar, implementationAndResourcesJar}
 		combinedJar := android.PathForModuleOut(ctx, "withres", jarName)
-		TransformJarsToJar(ctx, combinedJar, "for resources", jars, android.OptionalPath{},
+		TransformJarsToJar(ctx, combinedJar, "for resources", jars, manifest,
 			false, nil, nil)
 		implementationAndResourcesJar = combinedJar
 	}