Stop using single-hyphen metalava options
`-encoding` and `-source` have been deprecated in metalava.
`-encoding` actually does nothing apart from check to make sure that
the value is `utf-8` (in some case). Metalava always uses `utf-8`.
`-source` has been deprecated in favor of `--java-source` as metalava
also can consume kotlin and it has its own `--kotlin-source` option.
Bug: 295136054
Test: ./gradlew
Change-Id: I08e6931958f40022d65d417360e32b72a1d70444
diff --git a/java/droidstubs.go b/java/droidstubs.go
index bb2388f..77b5658 100644
--- a/java/droidstubs.go
+++ b/java/droidstubs.go
@@ -512,8 +512,7 @@
cmd.BuiltTool("metalava").ImplicitTool(ctx.Config().HostJavaToolPath(ctx, "metalava.jar")).
Flag(config.JavacVmFlags).
Flag("-J--add-opens=java.base/java.util=ALL-UNNAMED").
- FlagWithArg("-encoding ", "UTF-8").
- FlagWithArg("-source ", javaVersion.String()).
+ FlagWithArg("--java-source ", javaVersion.String()).
FlagWithRspFileInputList("@", android.PathForModuleOut(ctx, "metalava.rsp"), srcs).
FlagWithInput("@", srcJarList)