diff --git a/android/config.go b/android/config.go
index c305114..600fda0 100644
--- a/android/config.go
+++ b/android/config.go
@@ -725,10 +725,6 @@
 	return value == "0" || value == "n" || value == "no" || value == "off" || value == "false"
 }
 
-func (c *config) TargetsJava17() bool {
-	return c.IsEnvTrue("EXPERIMENTAL_TARGET_JAVA_VERSION_17")
-}
-
 // EnvDeps returns the environment variables this build depends on. The first
 // call to this function blocks future reads from the environment.
 func (c *config) EnvDeps() map[string]string {
diff --git a/apex/androidmk.go b/apex/androidmk.go
index f66ae16..7f03621 100644
--- a/apex/androidmk.go
+++ b/apex/androidmk.go
@@ -24,8 +24,6 @@
 	"android/soong/cc"
 	"android/soong/java"
 	"android/soong/rust"
-
-	"github.com/google/blueprint/proptools"
 )
 
 func (a *apexBundle) AndroidMk() android.AndroidMkData {
@@ -74,12 +72,15 @@
 	return fi.androidMkModuleName + "." + apexBundleName + a.suffix
 }
 
-func (a *apexBundle) androidMkForFiles(w io.Writer, apexBundleName, apexName, moduleDir string,
+func (a *apexBundle) androidMkForFiles(w io.Writer, apexBundleName, moduleDir string,
 	apexAndroidMkData android.AndroidMkData) []string {
 
-	// apexBundleName comes from the 'name' property; apexName comes from 'apex_name' property.
+	// apexBundleName comes from the 'name' property or soong module.
+	// apexName comes from 'name' property of apex_manifest.
 	// An apex is installed to /system/apex/<apexBundleName> and is activated at /apex/<apexName>
 	// In many cases, the two names are the same, but could be different in general.
+	// However, symbol files for apex files are installed under /apex/<apexBundleName> to avoid
+	// conflicts between two apexes with the same apexName.
 
 	moduleNames := []string{}
 	apexType := a.properties.ApexType
@@ -90,11 +91,6 @@
 		return moduleNames
 	}
 
-	// b/162366062. Prevent GKI APEXes to emit make rules to avoid conflicts.
-	if strings.HasPrefix(apexName, "com.android.gki.") && apexType != flattenedApex {
-		return moduleNames
-	}
-
 	seenDataOutPaths := make(map[string]bool)
 
 	for _, fi := range a.filesInfo {
@@ -131,15 +127,15 @@
 		if fi.module != nil && fi.module.Owner() != "" {
 			fmt.Fprintln(w, "LOCAL_MODULE_OWNER :=", fi.module.Owner())
 		}
-		// /apex/<apex_name>/{lib|framework|...}
-		pathWhenActivated := filepath.Join("$(PRODUCT_OUT)", "apex", apexName, fi.installDir)
+		// /apex/<apexBundleName>/{lib|framework|...}
+		pathForSymbol := filepath.Join("$(PRODUCT_OUT)", "apex", apexBundleName, fi.installDir)
 		var modulePath string
 		if apexType == flattenedApex {
-			// /system/apex/<name>/{lib|framework|...}
+			// /system/apex/<apexBundleName>/{lib|framework|...}
 			modulePath = filepath.Join(a.installDir.String(), apexBundleName, fi.installDir)
 			fmt.Fprintln(w, "LOCAL_MODULE_PATH :=", modulePath)
 			if a.primaryApexType {
-				fmt.Fprintln(w, "LOCAL_SOONG_SYMBOL_PATH :=", pathWhenActivated)
+				fmt.Fprintln(w, "LOCAL_SOONG_SYMBOL_PATH :=", pathForSymbol)
 			}
 			android.AndroidMkEmitAssignList(w, "LOCAL_MODULE_SYMLINKS", fi.symlinks)
 			newDataPaths := []android.DataPath{}
@@ -152,8 +148,8 @@
 			}
 			android.AndroidMkEmitAssignList(w, "LOCAL_TEST_DATA", android.AndroidMkDataPaths(newDataPaths))
 		} else {
-			modulePath = pathWhenActivated
-			fmt.Fprintln(w, "LOCAL_MODULE_PATH :=", pathWhenActivated)
+			modulePath = pathForSymbol
+			fmt.Fprintln(w, "LOCAL_MODULE_PATH :=", modulePath)
 
 			// For non-flattend APEXes, the merged notice file is attached to the APEX itself.
 			// We don't need to have notice file for the individual modules in it. Otherwise,
@@ -311,8 +307,7 @@
 			moduleNames := []string{}
 			apexType := a.properties.ApexType
 			if a.installable() {
-				apexName := proptools.StringDefault(a.properties.Apex_name, name)
-				moduleNames = a.androidMkForFiles(w, name, apexName, moduleDir, data)
+				moduleNames = a.androidMkForFiles(w, name, moduleDir, data)
 			}
 
 			if apexType == flattenedApex {
diff --git a/apex/apex.go b/apex/apex.go
index 3ad0495..bc2a136 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -94,10 +94,6 @@
 	// a default one is automatically generated.
 	AndroidManifest *string `android:"path"`
 
-	// Canonical name of this APEX bundle. Used to determine the path to the activated APEX on
-	// device (/apex/<apex_name>). If unspecified, follows the name property.
-	Apex_name *string
-
 	// Determines the file contexts file for setting the security contexts to files in this APEX
 	// bundle. For platform APEXes, this should points to a file under /system/sepolicy Default:
 	// /system/sepolicy/apex/<module_name>_file_contexts.
@@ -1037,7 +1033,7 @@
 	// This is the main part of this mutator. Mark the collected dependencies that they need to
 	// be built for this apexBundle.
 
-	apexVariationName := proptools.StringDefault(a.properties.Apex_name, mctx.ModuleName()) // could be com.android.foo
+	apexVariationName := mctx.ModuleName() // could be com.android.foo
 	a.properties.ApexVariationName = apexVariationName
 	apexInfo := android.ApexInfo{
 		ApexVariationName: apexVariationName,
diff --git a/apex/apex_test.go b/apex/apex_test.go
index e558fee..8b69f2c 100644
--- a/apex/apex_test.go
+++ b/apex/apex_test.go
@@ -4105,52 +4105,11 @@
 	ensureListEmpty(t, requireNativeLibs)
 }
 
-func TestApexName(t *testing.T) {
-	ctx := testApex(t, `
-		apex {
-			name: "myapex",
-			key: "myapex.key",
-			apex_name: "com.android.myapex",
-			native_shared_libs: ["mylib"],
-			updatable: false,
-		}
-
-		apex_key {
-			name: "myapex.key",
-			public_key: "testkey.avbpubkey",
-			private_key: "testkey.pem",
-		}
-
-		cc_library {
-			name: "mylib",
-			srcs: ["mylib.cpp"],
-			system_shared_libs: [],
-			stl: "none",
-			apex_available: [
-				"//apex_available:platform",
-				"myapex",
-			],
-		}
-	`)
-
-	module := ctx.ModuleForTests("myapex", "android_common_com.android.myapex_image")
-	apexBundle := module.Module().(*apexBundle)
-	data := android.AndroidMkDataForTest(t, ctx, apexBundle)
-	name := apexBundle.BaseModuleName()
-	prefix := "TARGET_"
-	var builder strings.Builder
-	data.Custom(&builder, name, prefix, "", data)
-	androidMk := builder.String()
-	ensureContains(t, androidMk, "LOCAL_MODULE := mylib.myapex\n")
-	ensureNotContains(t, androidMk, "LOCAL_MODULE := mylib.com.android.myapex\n")
-}
-
 func TestOverrideApexManifestDefaultVersion(t *testing.T) {
 	ctx := testApex(t, `
 		apex {
 			name: "myapex",
 			key: "myapex.key",
-			apex_name: "com.android.myapex",
 			native_shared_libs: ["mylib"],
 			updatable: false,
 		}
@@ -4175,7 +4134,7 @@
 		"OVERRIDE_APEX_MANIFEST_DEFAULT_VERSION": "1234",
 	}))
 
-	module := ctx.ModuleForTests("myapex", "android_common_com.android.myapex_image")
+	module := ctx.ModuleForTests("myapex", "android_common_myapex_image")
 	apexManifestRule := module.Rule("apexManifestRule")
 	ensureContains(t, apexManifestRule.Args["default_version"], "1234")
 }
diff --git a/apex/builder.go b/apex/builder.go
index 49223a0..93ff80d 100644
--- a/apex/builder.go
+++ b/apex/builder.go
@@ -446,7 +446,7 @@
 func (a *apexBundle) buildUnflattenedApex(ctx android.ModuleContext) {
 	apexType := a.properties.ApexType
 	suffix := apexType.suffix()
-	apexName := proptools.StringDefault(a.properties.Apex_name, a.BaseModuleName())
+	apexName := a.BaseModuleName()
 
 	////////////////////////////////////////////////////////////////////////////////////////////
 	// Step 1: copy built files to appropriate directories under the image directory
@@ -461,7 +461,7 @@
 	// TODO(jiyong): use the RuleBuilder
 	var copyCommands []string
 	var implicitInputs []android.Path
-	pathWhenActivated := android.PathForModuleInPartitionInstall(ctx, "apex", apexName)
+	apexDir := android.PathForModuleInPartitionInstall(ctx, "apex", apexName)
 	for _, fi := range a.filesInfo {
 		destPath := imageDir.Join(ctx, fi.path()).String()
 		// Prepare the destination path
@@ -491,12 +491,12 @@
 					fmt.Sprintf("unzip -qDD -d %s %s", destPathDir,
 						fi.module.(*java.AndroidAppSet).PackedAdditionalOutputs().String()))
 				if installSymbolFiles {
-					installedPath = ctx.InstallFileWithExtraFilesZip(pathWhenActivated.Join(ctx, fi.installDir),
+					installedPath = ctx.InstallFileWithExtraFilesZip(apexDir.Join(ctx, fi.installDir),
 						fi.stem(), fi.builtFile, fi.module.(*java.AndroidAppSet).PackedAdditionalOutputs())
 				}
 			} else {
 				if installSymbolFiles {
-					installedPath = ctx.InstallFile(pathWhenActivated.Join(ctx, fi.installDir), fi.stem(), fi.builtFile)
+					installedPath = ctx.InstallFile(apexDir.Join(ctx, fi.installDir), fi.stem(), fi.builtFile)
 				}
 			}
 			implicitInputs = append(implicitInputs, fi.builtFile)
@@ -510,7 +510,7 @@
 				symlinkDest := imageDir.Join(ctx, symlinkPath).String()
 				copyCommands = append(copyCommands, "ln -sfn "+filepath.Base(destPath)+" "+symlinkDest)
 				if installSymbolFiles {
-					installedSymlink := ctx.InstallSymlink(pathWhenActivated.Join(ctx, filepath.Dir(symlinkPath)), filepath.Base(symlinkPath), installedPath)
+					installedSymlink := ctx.InstallSymlink(apexDir.Join(ctx, filepath.Dir(symlinkPath)), filepath.Base(symlinkPath), installedPath)
 					implicitInputs = append(implicitInputs, installedSymlink)
 				}
 			}
@@ -537,8 +537,8 @@
 	}
 	implicitInputs = append(implicitInputs, a.manifestPbOut)
 	if installSymbolFiles {
-		installedManifest := ctx.InstallFile(pathWhenActivated, "apex_manifest.pb", a.manifestPbOut)
-		installedKey := ctx.InstallFile(pathWhenActivated, "apex_pubkey", a.publicKeyFile)
+		installedManifest := ctx.InstallFile(apexDir, "apex_manifest.pb", a.manifestPbOut)
+		installedKey := ctx.InstallFile(apexDir, "apex_pubkey", a.publicKeyFile)
 		implicitInputs = append(implicitInputs, installedManifest, installedKey)
 	}
 
diff --git a/cmd/soong_ui/main.go b/cmd/soong_ui/main.go
index ec6670e..fd718c2 100644
--- a/cmd/soong_ui/main.go
+++ b/cmd/soong_ui/main.go
@@ -218,13 +218,13 @@
 
 	trace.SetOutput(filepath.Join(logsDir, c.logsPrefix+"build.trace"))
 
-	c.run(buildCtx, config, args)
-
 	if !config.SkipMetricsUpload() {
 		defer build.UploadMetrics(buildCtx, config, c.simpleOutput, buildStarted, bazelProfileFile, bazelMetricsFile, metricsFiles...)
 	}
 	defer met.Dump(soongMetricsFile)
 
+	c.run(buildCtx, config, args)
+
 }
 
 func logAndSymlinkSetup(buildCtx build.Context, config build.Config) {
diff --git a/java/app.go b/java/app.go
index 5234808..1731970 100755
--- a/java/app.go
+++ b/java/app.go
@@ -984,8 +984,11 @@
 	// The name of the android_app module that the tests will run against.
 	Instrumentation_for *string
 
-	// if specified, the instrumentation target package name in the manifest is overwritten by it.
+	// If specified, the instrumentation target package name in the manifest is overwritten by it.
 	Instrumentation_target_package *string
+
+	// If specified, the mainline module package name in the test config is overwritten by it.
+	Mainline_package_name *string
 }
 
 type AndroidTest struct {
@@ -1063,6 +1066,11 @@
 			FlagWithArg("--package-name ", *a.overridableAppProperties.Package_name)
 	}
 
+	if a.appTestProperties.Mainline_package_name != nil {
+		fixNeeded = true
+		command.FlagWithArg("--mainline-package-name ", *a.appTestProperties.Mainline_package_name)
+	}
+
 	if fixNeeded {
 		rule.Build("fix_test_config", "fix test config")
 		return fixedConfig
diff --git a/java/app_test.go b/java/app_test.go
index 3fb67c1..c77f29d 100644
--- a/java/app_test.go
+++ b/java/app_test.go
@@ -2330,12 +2330,14 @@
 			srcs: ["b.java"],
 			package_name: "com.android.bar.test",
 			instrumentation_for: "foo",
+			mainline_package_name: "com.android.bar",
 		}
 
 		override_android_test {
 			name: "baz_test",
 			base: "foo_test",
 			package_name: "com.android.baz.test",
+			mainline_package_name: "com.android.baz",
 		}
 		`)
 
@@ -2354,6 +2356,7 @@
 			expectedFlags: []string{
 				"--manifest out/soong/.intermediates/bar_test/android_common/manifest_fixer/AndroidManifest.xml",
 				"--package-name com.android.bar.test",
+				"--mainline-package-name com.android.bar",
 			},
 		},
 		{
@@ -2363,6 +2366,8 @@
 				"--manifest out/soong/.intermediates/foo_test/android_common_baz_test/manifest_fixer/AndroidManifest.xml",
 				"--package-name com.android.baz.test",
 				"--test-file-name baz_test.apk",
+				"out/soong/.intermediates/foo_test/android_common_baz_test/test_config_fixer/AndroidTest.xml",
+				"--mainline-package-name com.android.baz",
 			},
 		},
 	}
diff --git a/java/dex.go b/java/dex.go
index 38b0881..a8dd375 100644
--- a/java/dex.go
+++ b/java/dex.go
@@ -42,8 +42,7 @@
 		// True if the module containing this has it set by default.
 		EnabledByDefault bool `blueprint:"mutated"`
 
-		// Whether to continue building even if warnings are emitted.  Defaults to true unless bytecode
-		// optimizations are enabled, in which case warnings are not ignored for safety.
+		// Whether to continue building even if warnings are emitted.  Defaults to true.
 		Ignore_warnings *bool
 
 		// If true, runs R8 in Proguard compatibility mode (default).
@@ -333,9 +332,8 @@
 	}
 
 	// TODO(b/180878971): missing classes should be added to the relevant builds.
-	// TODO(b/229727645): do not use true as default for unoptimized platform targets.
-	ignoreWarningsDefault := !Bool(opt.Optimize)
-	if proptools.BoolDefault(opt.Ignore_warnings, ignoreWarningsDefault) {
+	// TODO(b/229727645): do not use true as default for Android platform builds.
+	if proptools.BoolDefault(opt.Ignore_warnings, true) {
 		r8Flags = append(r8Flags, "-ignorewarnings")
 	}
 
diff --git a/java/java.go b/java/java.go
index 659f98a..874f935 100644
--- a/java/java.go
+++ b/java/java.go
@@ -517,14 +517,8 @@
 		return normalizeJavaVersion(ctx, javaVersion)
 	} else if ctx.Device() {
 		return defaultJavaLanguageVersion(ctx, sdkContext.SdkVersion(ctx))
-	} else if ctx.Config().TargetsJava17() {
-		// Temporary experimental flag to be able to try and build with
-		// java version 17 options.  The flag, if used, just sets Java
-		// 17 as the default version, leaving any components that
-		// target an older version intact.
-		return JAVA_VERSION_17
 	} else {
-		return JAVA_VERSION_11
+		return JAVA_VERSION_17
 	}
 }
 
diff --git a/java/sdk.go b/java/sdk.go
index b0da5af..10ae3f6 100644
--- a/java/sdk.go
+++ b/java/sdk.go
@@ -57,14 +57,10 @@
 		return JAVA_VERSION_8
 	} else if sdk.FinalOrFutureInt() <= 31 {
 		return JAVA_VERSION_9
-	} else if ctx.Config().TargetsJava17() {
-		// Temporary experimental flag to be able to try and build with
-		// java version 17 options.  The flag, if used, just sets Java
-		// 17 as the default version, leaving any components that
-		// target an older version intact.
-		return JAVA_VERSION_17
-	} else {
+	} else if sdk.FinalOrFutureInt() <= 32 {
 		return JAVA_VERSION_11
+	} else {
+		return JAVA_VERSION_17
 	}
 }
 
diff --git a/scripts/test_config_fixer.py b/scripts/test_config_fixer.py
index 3dbc22e..07e01a1 100644
--- a/scripts/test_config_fixer.py
+++ b/scripts/test_config_fixer.py
@@ -31,6 +31,8 @@
 KNOWN_PREPARERS = ['com.android.tradefed.targetprep.TestAppInstallSetup',
                    'com.android.tradefed.targetprep.suite.SuiteApkInstaller']
 
+MAINLINE_CONTROLLER = 'com.android.tradefed.testtype.suite.module.MainlineTestModuleController'
+
 def parse_args():
   """Parse commandline arguments."""
 
@@ -41,6 +43,8 @@
                       help=('overwrite package fields in the test config'))
   parser.add_argument('--test-file-name', default='', dest='test_file_name',
                       help=('overwrite test file name in the test config'))
+  parser.add_argument('--mainline-package-name', default='', dest='mainline_package_name',
+                      help=('overwrite mainline module package name in the test config'))
   parser.add_argument('input', help='input test config file')
   parser.add_argument('output', help='output test config file')
   return parser.parse_args()
@@ -72,6 +76,16 @@
         if option.getAttribute('name') == "test-file-name":
           option.setAttribute('value', test_file_name)
 
+def overwrite_mainline_module_package_name(test_config_doc, mainline_package_name):
+
+  test_config = parse_test_config(test_config_doc)
+
+  for obj in get_children_with_tag(test_config, 'object'):
+    if obj.getAttribute('class') == MAINLINE_CONTROLLER:
+      for option in get_children_with_tag(obj, 'option'):
+        if option.getAttribute('name') == "mainline-module-package-name":
+          option.setAttribute('value', mainline_package_name)
+
 def main():
   """Program entry point."""
   try:
@@ -88,6 +102,9 @@
     if args.test_file_name:
       overwrite_test_file_name(doc, args.test_file_name)
 
+    if args.mainline_package_name:
+      overwrite_mainline_module_package_name(doc, args.mainline_package_name)
+
     with open(args.output, 'w') as f:
       write_xml(f, doc)
 
diff --git a/scripts/test_config_fixer_test.py b/scripts/test_config_fixer_test.py
index 39ce5b3..699f91e 100644
--- a/scripts/test_config_fixer_test.py
+++ b/scripts/test_config_fixer_test.py
@@ -23,6 +23,8 @@
 
 import test_config_fixer
 
+from manifest import write_xml
+
 sys.dont_write_bytecode = True
 
 
@@ -117,5 +119,39 @@
     self.assertEqual(expected, output.getvalue())
 
 
+class OverwriteMainlineModulePackageNameTest(unittest.TestCase):
+  """ Unit tests for overwrite_mainline_module_package_name function """
+
+  test_config = (
+      '<?xml version="1.0" encoding="utf-8"?>\n'
+      '<configuration description="Runs some tests.">\n'
+      '    <target_preparer class="com.android.tradefed.targetprep.TestAppInstallSetup">\n'
+      '        <option name="test-file-name" value="foo.apk"/>\n'
+      '    </target_preparer>\n'
+      '    <test class="com.android.tradefed.testtype.AndroidJUnitTest">\n'
+      '        <option name="package" value="com.android.foo"/>\n'
+      '        <option name="runtime-hint" value="20s"/>\n'
+      '    </test>\n'
+      '    <object type="module_controller" class="com.android.tradefed.testtype.suite.module.MainlineTestModuleController">\n'
+      '        <option name="enable" value="true"/>\n'
+      '        <option name="mainline-module-package-name" value="%s"/>\n'
+      '    </object>\n'
+      '</configuration>\n')
+
+  def test_testappinstallsetup(self):
+    doc = minidom.parseString(self.test_config % ("com.android.old.package.name"))
+
+    test_config_fixer.overwrite_mainline_module_package_name(doc, "com.android.new.package.name")
+    output = io.StringIO()
+    test_config_fixer.write_xml(output, doc)
+
+    # Only the mainline module package name should be updated. Format the xml
+    # with minidom first to avoid mismatches due to trivial reformatting.
+    expected = io.StringIO()
+    write_xml(expected, minidom.parseString(self.test_config % ("com.android.new.package.name")))
+    self.maxDiff = None
+    self.assertEqual(expected.getvalue(), output.getvalue())
+
+
 if __name__ == '__main__':
   unittest.main(verbosity=2)