Rename source files to be google3-compliant

<name>.module.ts => <name>_module.ts
<name>.component.ts => <name>_component.ts
<name>.component.spec.ts => <name>_component_test.ts
<name>.spec.ts => <name>_test.ts
main.prod.ts => main_prod.ts
main.dev.ts => main_dev.ts

Fix: b/263471805
Test: npm run build:all && npm run test:all
Change-Id: I190c6be7a552624e7965568f04cb498305d37683
115 files changed