fix(java_templates): fix renovate configuration (#352)
fix(java_templates): fix renovate configuration (#352)

Common build plugin updates should now send PRs and `build(deps): [message]`, other updates should use `deps: [message]`.
Fixes guava's version scheme to preserve the guava flavor (`-android` vs `-jre`).
googleapis/synthtool,googleapis/synthtool,googleapis/synthtool,googleapis/synthtool,googleapis/synthtool