Inclusive fix: Replace sanity to validation in java/sdk.go

Bug: b/161896447
Test: "lunch 1" and "m nothing"
Change-Id: I8cbdec02dccd961a8cac92c6e957aeebd1e263c1
diff --git a/java/sdk.go b/java/sdk.go
index 6e67a13..5d79d1d 100644
--- a/java/sdk.go
+++ b/java/sdk.go
@@ -214,7 +214,7 @@
 		// "current" can be built from source and be from prebuilt SDK
 		return ctx.Config().UnbundledBuildUsePrebuiltSdks()
 	} else if s.version.isNumbered() {
-		// sanity check
+		// validation check
 		if s.kind != sdkPublic && s.kind != sdkSystem && s.kind != sdkTest {
 			panic(fmt.Errorf("prebuilt SDK is not not available for sdkKind=%q", s.kind))
 			return false