FIR IDE: move analysis api fir testdata to the analysis directory

analysis/analysis-api/testData/symbolMemoryLeak/symbols.kt

@@ -0,0 +1,28 @@
+fun <R> x(p: R): Int {
+
+}
+
+class Y<T> {
+    fun a() = 1
+}
+
+var z: Int
+    get = 10
+    set(value) {}
+
+object Q
+
+val z: String = ""
+
+fun yyy() {
+//    val q = 10
+//    fun aaa() {}
+//
+//    class F {}
+}
+
+typealias Str = String
+
+interface I {
+    fun str(): String
+}