Remove obsolete class loader context API and update unit tests.

The removed API has been unused since https://r.android.com/1533342
(except for unit tests).

Changes in the unit tests reflect the change of API in
https://r.android.com/1533342: early errors caused by unknown library
paths at CLC construction time have been replaced with late errors at
the time of CLC validation.

Bug: 132357300
Test: m nothing
Change-Id: I739c7c41b6f882b7e28cdd6acd05961d754d8687

java/java.go

@@ -3300,7 +3300,7 @@ func addCLCFromDep(ctx android.ModuleContext, depModule android.Module,
 	}
 
 	if implicitSdkLib != nil {
-		clcMap.AddContextForSdk(ctx, dexpreopt.AnySdkVersion, *implicitSdkLib,
+		clcMap.AddContext(ctx, dexpreopt.AnySdkVersion, *implicitSdkLib,
 			dep.DexJarBuildPath(), dep.DexJarInstallPath(), dep.ClassLoaderContexts())
 	} else {
 		depName := ctx.OtherModuleName(depModule)