[TeX] Removed JNI dependency

- used code gen to precompute metric ids hash & type

Bug: 276463350
Test: atest ExpressLogApisTests
Test: atest android.cts.statsdatom.express.ExpresslogAtomsTests
(cherry picked from https://android-review.googlesource.com/q/commit:731e5dc1464241b6e73c0ed7dd2a22b541e0b802)
Merged-In: I97947b8953df5a943b2e41afd92a49b73cf6a8d8
Change-Id: I97947b8953df5a943b2e41afd92a49b73cf6a8d8