fix: use microphone foreground service type instead of phoneCall

phoneCall type requires MANAGE_OWN_CALLS on SDK 34+, which needs
the app to be a default dialer. microphone type only requires
RECORD_AUDIO which is already granted via runtime permission.

https://claude.ai/code/session_017hZm7yu7CzmcQgZGSaqSXS

amethyst/src/main/AndroidManifest.xml

@@ -39,7 +39,7 @@
     <!-- Audio/Video Playback -->
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK" />
-    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_PHONE_CALL" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_MICROPHONE" />
     <uses-permission android:name="android.permission.USE_FULL_SCREEN_INTENT" />
 
     <!-- Phone calls -->
@@ -228,7 +228,7 @@
 
         <service
             android:name=".service.call.CallForegroundService"
-            android:foregroundServiceType="phoneCall"
+            android:foregroundServiceType="microphone"
             android:stopWithTask="true"
             android:exported="false" />
 

amethyst/src/main/java/com/vitorpamplona/amethyst/service/call/CallForegroundService.kt

@@ -62,7 +62,7 @@ class CallForegroundService : Service() {
                     NOTIFICATION_ID,
                     notification,
                     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
-                        ServiceInfo.FOREGROUND_SERVICE_TYPE_PHONE_CALL
+                        ServiceInfo.FOREGROUND_SERVICE_TYPE_MICROPHONE
                     } else {
                         0
                     },