Frameworks: convert platformprotos to soong

(cherry picked from commit af27bf6662efb8bb9fb7943b0fdbac530b0cbc99)

Bug: 64328974
Test: m
Merged-In: I3729a3132c1ef07dded69801373edf51006fa623
Change-Id: I3729a3132c1ef07dded69801373edf51006fa623
2 files changed