Add Translate Note menu action

[thecosmicskye]

Closes #1055.

Summary:

• Adds a Translate Note action to the note overflow menu.
• Opens Google Translate with auto source detection and the device language as the target.
• Encodes note text through Android Uri.Builder before launching the external browser.

Tests:

• git diff --check
• ./gradlew :app:ktlintCheck
• ./gradlew :app:compileAospDebugKotlin