Improve Android native support

[bruno-garcia]

#307 added initial support

Follow up items

• Upload SDK symbols with Craft on each release (PR: add symbol collector craft target #324)
• Add missing options to the Android SDK Add missing options for the Android SDK #621
• Expose a way to add BeforeSend via Java/Kotlin (same for C#) Expose BeforeSend on native layers #620
  • The goal is to avoid users from taking the "Manual Init" approach so we can rely on the options at build time
• Hook into crashedLastRun to mark sessions as crashed
  • When adding the bridge to the options, set this property (https://github.com/getsentry/sentry-dotnet/blob/a79d46e62525cecaf7c7752f122268245f832b59/src/Sentry/SentryOptions.cs#L567) to a method that calls through the native bridge to the native equivalent
• Add Gradle plugin to upload symbols of final game (or use MSBuild wrapping sentry-cli, part of this PR)
  • Example modifying gradle.build here
• Add scope sync (PR feat: Android native scope sync #308 )
• Remove -SNAPSHOT from the Android SDK name before building (will not have when using a tag)
• Update commit sha to latest android release
• Close this issue if not running into the same problem -> Override all LyfecycleWatcher abstract methods to bypass Lifecycle issue sentry-java#1594
• Set breadcrumb level
• Default UserId in events from C# and Android don't match (installation_id) Align the default user-id between the C# and native layers #606

[bitsandfoxes]

Superseded by individual issues.