Adding optional 3.0 lock support to GraphicBuffer

Adding optional 3.0 lock parameters to GraphicBuffer
Modifying isSupported to isLoaded

Bug: 123423521
Test: build, boot
Change-Id: If4a92bd7916072c2cd7005ca6f332f4a90098d27
diff --git a/libs/ui/Gralloc2.cpp b/libs/ui/Gralloc2.cpp
index 2c4b5f3..92ea07c 100644
--- a/libs/ui/Gralloc2.cpp
+++ b/libs/ui/Gralloc2.cpp
@@ -94,7 +94,7 @@
     mMapperV2_1 = IMapper::castFrom(mMapper);
 }
 
-bool Gralloc2Mapper::isSupported() const {
+bool Gralloc2Mapper::isLoaded() const {
     return mMapper != nullptr;
 }
 
@@ -359,7 +359,7 @@
     }
 }
 
-bool Gralloc2Allocator::isSupported() const {
+bool Gralloc2Allocator::isLoaded() const {
     return mAllocator != nullptr;
 }