Additional changes for Linux build

While building for Linux on cloudtop, a few more problems were
identified in the build. There were a couple of missing #include and
some incomplete struct definitions in btm_int_types.h. Also put
statslog.h behind an #ifdef OS_ANDROID.

Bug: 184975659
Tag: #floss
Test: atest --host bluetooth_test_gd
Change-Id: Ic2272a3acfa66259e692db280b48b4ddadff2171