Lint, Uast: Fix Java function descriptor calculation KT-11923

plugins/uast-java/src/org/jetbrains/uast/java/declarations/JavaUFunction.kt

@@ -85,7 +85,7 @@ class JavaUFunction(
             PsiType.BOOLEAN -> "Z"
             PsiType.VOID -> "V"
             is PsiArrayType -> renderType(type.componentType)?.let { "[$it" }
-            is PsiClassType -> type.resolve()?.qualifiedName?.let { "L$it;" }
+            is PsiClassType -> type.resolve()?.qualifiedName?.replace('.', '/')?.let { "L$it;" }
             else -> null
         }
     }

plugins/uast-kotlin/testData/lint/apiCheck.kt

@@ -29,6 +29,7 @@ import android.widget.TextView
 class ApiCallTest: Activity() {
 
     fun method(chronometer: Chronometer, locator: DOMLocator) {
+        chronometer.<error descr="Call requires API level 16 (current min is 1): `setBackground`">setBackground(null)</error>
 
         // Virtual call
         <error descr="Call requires API level 11 (current min is 1): `getActionBar`">getActionBar()</error> // API 11