Fix MemoryLeak warning in frameworks/base/services

Fixed warning: Memory allocated by 'new' should be deallocated by
'delete', not free().

Bug: 31999593

Test: mmma framework/base/services, with WITH_TIDY and
WITH_STATIC_ANALYZER, the warning has gone.

Change-Id: Ib19fd2f210468b712ee72a4760d2abe8355c59e2
1 file changed