[hal] Use enums with fixed underlying type in clang C (#3297)

This will allow static analysis tools that use clang to always determine the correct intended parameter types for HAL functions.

hal/src/main/native/include/hal/Types.h

@@ -74,6 +74,11 @@ typedef int32_t HAL_Bool;
 
 #ifdef __cplusplus
 #define HAL_ENUM(name) enum name : int32_t
+#elif defined(__clang__)
+#define HAL_ENUM(name)    \
+  enum name : int32_t;    \
+  typedef enum name name; \
+  enum name : int32_t
 #else
 #define HAL_ENUM(name)  \
   typedef int32_t name; \