~sp<>, m_ptr = 17

Detect double-free (e.g. two threads deleting sp<>) and detect
ODR of sp<> symbol.

This ignores cases where the pointer is null, as it creates too much
noise, but we should fix these cases as well for clarity.

Test: add ODR sp<> issue and see
        04-18 21:18:45.164  2911  2911 F DEBUG   : signal 11 (SIGSEGV), code
    1 (SEGV_MAPERR), fault addr 0x0000000000000017

Bug: 410582335
Bug: 393013610
Bug: 405737267
Change-Id: I60c40a8483933f54818c973a49ed6261ec77165f