C++11 compatibility.

 * Explicit conversion for atomic_uintptr_t initialization.
 * Fix string literal concatenation to not be a UD literal.
 * Use __typeof__ instead of typeof (should become decltype once this
   actually moves to C++11).

Bug: 18466763
Change-Id: I4eedddfb945a2a703ed27317cb6e2b3041b1ebfc
3 files changed