[dfsan] Add missing functions to done_abilist.txt

__sanitizer_get_allocated_begin and __sanitizer_get_allocated_size_fast
were introduced recently in D147005 and D151360, but not added here,
leading to linker errors.

Differential Revision: https://reviews.llvm.org/D153680

Author: Northbadge

compiler-rt/lib/dfsan/done_abilist.txt

@@ -451,8 +451,12 @@ fun:__sanitizer_get_estimated_allocated_size=uninstrumented
 fun:__sanitizer_get_estimated_allocated_size=discard
 fun:__sanitizer_get_ownership=uninstrumented
 fun:__sanitizer_get_ownership=discard
+fun:__sanitizer_get_allocated_begin=uninstrumented
+fun:__sanitizer_get_allocated_begin=discard
 fun:__sanitizer_get_allocated_size=uninstrumented
 fun:__sanitizer_get_allocated_size=discard
+fun:__sanitizer_get_allocated_size_fast=uninstrumented
+fun:__sanitizer_get_allocated_size_fast=discard
 fun:__sanitizer_print_stack_trace=uninstrumented
 fun:__sanitizer_print_stack_trace=discard