Provide guest native_bridge_malloc*

intercepted by host malloc*.

Rename native_bridge_malloc_info to native_bridge_malloc_info_helper,
to distingush from symbols that keep original prototype.

Remove valloc and pvalloc from 64-bit libs.

Bug: 162487409
Test: bionic-unit-tests
Change-Id: I7f255c5adaf41bfed9c616480f37745068e065be
3 files changed