Add Runtime APIs to schema file.

[Neopallium]

Convert RPC endpoints to newer Runtime API definitions.

[codecov[bot]]

Codecov Report

Merging #1502 (7da84f7) into develop (ad998cf) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop    #1502   +/-   ##
========================================
  Coverage    54.11%   54.11%           
========================================
  Files          145      145           
  Lines        32401    32401           
========================================
  Hits         17534    17534           
  Misses       14867    14867           

see 4 files with indirect coverage changes

[codecov[bot]]

Codecov Report

Merging #1502 (252dea5) into develop (ad998cf) will increase coverage by 0.01%. The diff coverage is n/a.

:exclamation: Current head 252dea5 differs from pull request most recent head 06ee36b. Consider uploading reports for the commit 06ee36b to get more accurate results

@@             Coverage Diff             @@
##           develop    #1502      +/-   ##
===========================================
+ Coverage    54.11%   54.13%   +0.01%     
===========================================
  Files          145      145              
  Lines        32401    32401              
===========================================
+ Hits         17534    17539       +5     
+ Misses       14867    14862       -5     

see 4 files with indirect coverage changes