Skip explicit API inspection for data class properties and add inspection for public API in interfaces

Add tests for almost all the cases

compiler/testData/diagnostics/testsWithExplicitApi/interfaces.kt

@@ -0,0 +1,33 @@
+interface <!NO_EXPLICIT_VISIBILITY_IN_API_MODE!>I1<!> {
+    <!NO_EXPLICIT_VISIBILITY_IN_API_MODE!>fun i()<!>
+}
+
+public interface I2 {
+    <!NO_EXPLICIT_VISIBILITY_IN_API_MODE!>fun i()<!>
+}
+
+public interface I3 {
+    public fun i()
+    public val v: Int
+}
+
+public interface I4 {
+    public fun i(): Int
+    public val v: Int
+}
+
+public class Impl: I3 {
+    override fun i() {}
+    override val v: Int
+        get() = 10
+}
+
+public class Impl2: I4 {
+    <!NO_EXPLICIT_RETURN_TYPE_IN_API_MODE!>override fun i()<!> = 10
+    <!NO_EXPLICIT_RETURN_TYPE_IN_API_MODE!>override val v<!> = 10
+}
+
+private class PrivateImpl: I4 {
+    override fun i() = 10
+    override val v = 10
+}