Remove too strict const's from cbmanager

Bug: 144386336
Test: build
Change-Id: I0ef2dcf0e0735e19cda26820546e29a62c32d290
Signed-off-by: Roman Kiryanov <rkir@google.com>
diff --git a/system/cbmanager/hidl.cpp b/system/cbmanager/hidl.cpp
index 764ae73..f506ef9 100644
--- a/system/cbmanager/hidl.cpp
+++ b/system/cbmanager/hidl.cpp
@@ -40,8 +40,8 @@
                         sp<IAllocator2ns::IAllocator> allocator)
       : mMapper(mapper), mAllocator(allocator) {}
 
-    const cb_handle_t* allocateBuffer(int width, int height,
-                                      PixelFormat format, BufferUsageBits usage) {
+    cb_handle_t* allocateBuffer(int width, int height,
+                                PixelFormat format, BufferUsageBits usage) {
         using IMapper2ns::Error;
         using IMapper2ns::BufferDescriptor;
 
@@ -77,7 +77,7 @@
             RETURN_ERROR(nullptr);
         }
 
-        const cb_handle_t *buf = nullptr;
+        cb_handle_t *buf = nullptr;
         mMapper->importBuffer(raw_handle, [&](const Error &_error,
                                               void *_buf) {
             hidl_err = _error;
diff --git a/system/include/cbmanager.h b/system/include/cbmanager.h
index 29eeab7..0ac9bdd 100644
--- a/system/include/cbmanager.h
+++ b/system/include/cbmanager.h
@@ -34,14 +34,14 @@
     class CbManagerImpl {
     public:
         virtual ~CbManagerImpl() {}
-        virtual const cb_handle_t* allocateBuffer(int width,
-                                                  int height,
-                                                  PixelFormat format,
-                                                  BufferUsageBits usage) = 0;
+        virtual cb_handle_t* allocateBuffer(int width,
+                                            int height,
+                                            PixelFormat format,
+                                            BufferUsageBits usage) = 0;
         virtual void freeBuffer(const cb_handle_t* h) = 0;
     };
 
-    const cb_handle_t* allocateBuffer(int width, int height, PixelFormat format, BufferUsageBits usage) {
+    cb_handle_t* allocateBuffer(int width, int height, PixelFormat format, BufferUsageBits usage) {
         return mImpl->allocateBuffer(width, height, format, usage);
     }