gralloc: Upgrade mapper and allocators to v3.0

CRs-Fixed: 2445393
Change-Id: I8c44ab63ca81523bb6acb75e8ae878cc7466e139
diff --git a/gralloc/QtiAllocator.cpp b/gralloc/QtiAllocator.cpp
index bdb8ebe..44612c0 100644
--- a/gralloc/QtiAllocator.cpp
+++ b/gralloc/QtiAllocator.cpp
@@ -40,7 +40,7 @@
 namespace hardware {
 namespace display {
 namespace allocator {
-namespace V1_0 {
+namespace V3_0 {
 namespace implementation {
 
 using android::hardware::hidl_handle;
@@ -105,7 +105,7 @@
 }
 
 }  // namespace implementation
-}  // namespace V1_0
+}  // namespace V3_0
 }  // namespace allocator
 }  // namespace display
 }  // namespace hardware