Move all coroutine-related declarations from built-ins to stdlib

Also move internal declarations from runtime.jvm module into new package
kotlin.coroutines.jvm.internal in stdlib

The necessity of these declarations being in built-ins is controversial,
but also it will complicate the migration of current coroutine runtime
to a separate jar if we ever need this

core/runtime.jvm/src/kotlin/jvm/internal/CoroutineImpl.kt

@@ -1,77 +0,0 @@
-/*
- * Copyright 2010-2016 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package kotlin.jvm.internal
-
-import java.lang.IllegalStateException
-import kotlin.coroutines.Continuation
-import kotlin.coroutines.ContinuationInterceptor
-import kotlin.coroutines.CoroutineContext
-import kotlin.coroutines.intrinsics.SUSPENDED_MARKER
-
-abstract class CoroutineImpl(
-        arity: Int,
-        @JvmField
-        protected var completion: Continuation<Any?>?
-) : Lambda(arity), Continuation<Any?>  {
-
-    // label == -1 when coroutine cannot be started (it is just a factory object) or has already finished execution
-    // label == 0 in initial part of the coroutine
-    @JvmField
-    protected var label: Int = if (completion != null) 0 else -1
-
-    private val _context: CoroutineContext? = completion?.context
-
-    override val context: CoroutineContext
-        get() = _context!!
-
-    private var _facade: Continuation<Any?>? = null
-
-    val facade: Continuation<Any?> get() {
-        if (_facade == null) _facade = _context!![ContinuationInterceptor]?.interceptContinuation(this) ?: this
-        return _facade!!
-    }
-
-    override fun resume(value: Any?) {
-        try {
-            val result = doResume(value, null)
-            if (result != SUSPENDED_MARKER)
-                completion!!.resume(result)
-        } catch (e: Throwable) {
-            completion!!.resumeWithException(e)
-        }
-    }
-
-    override fun resumeWithException(exception: Throwable) {
-        try {
-            val result = doResume(null, exception)
-            if (result != SUSPENDED_MARKER)
-                completion!!.resume(result)
-        } catch (e: Throwable) {
-            completion!!.resumeWithException(e)
-        }
-    }
-
-    protected abstract fun doResume(data: Any?, exception: Throwable?): Any?
-
-    open fun create(completion: Continuation<*>): Continuation<Unit> {
-        throw IllegalStateException("create(Continuation) has not been overridden")
-    }
-
-    open fun create(value: Any?, completion: Continuation<*>): Continuation<Unit> {
-        throw IllegalStateException("create(Any?;Continuation) has not been overridden")
-    }
-}

core/runtime.jvm/src/kotlin/jvm/internal/CoroutineIntrinsics.kt

@@ -1,22 +0,0 @@
-/*
- * Copyright 2010-2017 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-@file:kotlin.jvm.JvmName("CoroutineIntrinsics")
-package kotlin.jvm.internal
-
-import kotlin.coroutines.Continuation
-
-fun <T> normalizeContinuation(continuation: Continuation<T>): Continuation<T> =
-        (continuation as? CoroutineImpl)?.facade ?: continuation