gralloc: Add support for IMapper/IAllocator 4.0

* Add QtiMapper and QtiAllocator 4.0
* Implement IMapper 4.0 APIs: get, set,
  getFromBufferDescriptorInfo, flushLockedBuffer,
  rereadLockedBuffer, listSupportedMetadataTypes,
  dumpBuffer, dumpBuffers, and getReservedRegion

CRs-Fixed: 2633272
Change-Id: Ica42e485e426b366ffb41f30f1ea2cf395901356
Signed-off-by: Baldev Sahu <bsahu@codeaurora.org>
diff --git a/gralloc/android.hardware.graphics.mapper-impl-qti-display.xml b/gralloc/android.hardware.graphics.mapper-impl-qti-display.xml
index d62a64e..89899cb 100644
--- a/gralloc/android.hardware.graphics.mapper-impl-qti-display.xml
+++ b/gralloc/android.hardware.graphics.mapper-impl-qti-display.xml
@@ -1,5 +1,5 @@
 <!--
-Copyright (c) 2019, The Linux Foundation. All rights reserved.
+Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are
@@ -31,6 +31,7 @@
         <name>vendor.qti.hardware.display.mapper</name>
         <transport arch="32+64">passthrough</transport>
         <version>3.0</version>
+        <!-- <version>4.0</version> -->
         <interface>
             <name>IQtiMapper</name>
             <instance>default</instance>
@@ -41,6 +42,7 @@
         <transport arch="32+64">passthrough</transport>
         <impl level="generic"></impl>
         <version>3.0</version>
+        <!-- <version>4.0</version> -->
         <interface>
             <name>IMapper</name>
             <instance>default</instance>