qcom/display: Update HALs

- Update the display HAL from Code Aurora Forum
- Add updated overlay library
- Enable HWC with basic video going through overlay
- Cleanup some files

Change-Id: I65c687c51be458cee71213c79e03eeda962d9086
diff --git a/libqcomui/qcomutils/IdleInvalidator.cpp b/libqcomui/qcomutils/IdleInvalidator.cpp
new file mode 100755
index 0000000..0b98e11
--- /dev/null
+++ b/libqcomui/qcomutils/IdleInvalidator.cpp
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2012, Code Aurora Forum. All rights reserved.
+
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above
+ *     copyright notice, this list of conditions and the following
+ *     disclaimer in the documentation and/or other materials provided
+ *     with the distribution.
+ *   * Neither the name of Code Aurora Forum, Inc. nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "IdleInvalidator.h"
+#include <unistd.h>
+
+#define II_DEBUG 1
+
+static const char *threadName = "Invalidator";
+InvalidatorHandler IdleInvalidator::mHandler = NULL;
+android::sp<IdleInvalidator> IdleInvalidator::sInstance(0);
+
+IdleInvalidator::IdleInvalidator(): Thread(false), mHwcContext(0),
+    mSleepAgain(false), mSleepTime(0) {
+        ALOGE_IF(II_DEBUG, "shs %s", __func__);
+    }
+
+int IdleInvalidator::init(InvalidatorHandler reg_handler, void* user_data,
+                          unsigned int idleSleepTime) {
+    ALOGE_IF(II_DEBUG, "shs %s", __func__);
+
+    /* store registered handler */
+    mHandler = reg_handler;
+    mHwcContext = user_data;
+    mSleepTime = idleSleepTime; //Time in millis
+    return 0;
+}
+
+bool IdleInvalidator::threadLoop() {
+    ALOGE_IF(II_DEBUG, "shs %s", __func__);
+    usleep(mSleepTime * 1000);
+    if(mSleepAgain) {
+        //We need to sleep again!
+        mSleepAgain = false;
+        return true;
+    }
+
+    mHandler((void*)mHwcContext);
+    return false;
+}
+
+int IdleInvalidator::readyToRun() {
+    ALOGE_IF(II_DEBUG, "shs %s", __func__);
+    return 0; /*NO_ERROR*/
+}
+
+void IdleInvalidator::onFirstRef() {
+    ALOGE_IF(II_DEBUG, "shs %s", __func__);
+}
+
+void IdleInvalidator::markForSleep() {
+    mSleepAgain = true;
+    //Triggers the threadLoop to run, if not already running.
+    run(threadName, android::PRIORITY_AUDIO);
+}
+
+IdleInvalidator *IdleInvalidator::getInstance() {
+    ALOGE_IF(II_DEBUG, "shs %s", __func__);
+    if(sInstance.get() == NULL)
+        sInstance = new IdleInvalidator();
+    return sInstance.get();
+}