[Tests] Add CompileKotlinAgainstCustomBinaries test for CR

compiler/testData/compileKotlinAgainstCustomBinaries/contextualDeclarationUse/library/source.kt

@@ -0,0 +1,19 @@
+package test
+
+context(Int) val p get() = 42
+
+context(Int)
+class A {
+    context(Int) val p get() = 42
+
+    context(Int) fun m() {}
+}
+
+context(String)
+fun f() {
+    println(this@String)
+}
+
+fun ordinary() {
+    println("I do not require context receivers!")
+}