Add pagination benchmarks

[BoD]

Add a benchmark that writes 2 pages then reads the cache. Also adds the same with pagination disabled so we can compare.

[apollo-librarian]

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Build ID: 4fc7a2b3b3e33376f806866c
Build Logs: View logs

[martinbonnin]

What do the results look like?

[BoD]

Getting this on my Galaxy S8:

   8,403,713   ns       13974 allocs    noPaginationMemory
   9,755,863   ns       16692 allocs    paginationMemory

   25,976,903   ns       15605 allocs     noPaginationSql
   26,348,941   ns       18645 allocs     paginationSql

   24,937,326   ns       14788 allocs     noPaginationMemoryThenSql
   26,595,691   ns       17497 allocs     paginationMemoryThenSql