Add sdk_version:"none" to replace no_standard_libs:true

Where possible this duplicates any tests that use no_standard_libs:true
with ones that use sdk_version:"none". If not possible (e.g. in the
default targets included in java/testing.go) it switches some to use
sdk_version:"none" to ensure that there is no regression in the
behavior of no_standard_libs:true.

Follow up changes will switch all usages of no_standard_libs:true over
to use sdk_version:"none" at which point no_standard_libs will be
removed.

Bug: 134566750
Test: m droid
Change-Id: I5f0fd3daa980f6b223abe454cba7f25a97a39d7a
diff --git a/java/java.go b/java/java.go
index 82f799e..c42ca28 100644
--- a/java/java.go
+++ b/java/java.go
@@ -682,7 +682,7 @@
 		return javaSdk, true
 	case ver == "current":
 		return javaSdk, false
-	case ver == "":
+	case ver == "" || ver == "none":
 		return javaPlatform, false
 	default:
 		if _, err := strconv.Atoi(ver); err != nil {
@@ -860,7 +860,7 @@
 	var ret string
 	v := sdkContext.sdkVersion()
 	// For PDK builds, use the latest SDK version instead of "current"
-	if ctx.Config().IsPdkBuild() && (v == "" || v == "current") {
+	if ctx.Config().IsPdkBuild() && (v == "" || v == "none" || v == "current") {
 		sdkVersions := ctx.Config().Get(sdkVersionsKey).([]int)
 		latestSdkVersion := 0
 		if len(sdkVersions) > 0 {
@@ -879,7 +879,7 @@
 		ret = "1.7"
 	} else if ctx.Device() && sdk <= 29 || !ctx.Config().TargetOpenJDK9() {
 		ret = "1.8"
-	} else if ctx.Device() && sdkContext.sdkVersion() != "" && sdk == android.FutureApiLevel {
+	} else if ctx.Device() && sdkContext.sdkVersion() != "" && sdkContext.sdkVersion() != "none" && sdk == android.FutureApiLevel {
 		// TODO(ccross): once we generate stubs we should be able to use 1.9 for sdk_version: "current"
 		ret = "1.8"
 	} else {