fix IllegalStateException crash when camera device closes during focus

package/android/src/main/java/com/mrousavy/camera/core/PersistentCameraCaptureSession.kt

@@ -243,6 +243,10 @@ class PersistentCameraCaptureSession(private val cameraManager: CameraManager, p
         } catch (e: CaptureTimedOutError) {
           // Focus timed out - this is non-fatal, just log and continue
           Log.w(TAG, "Focus timed out at point $point, continuing without focus lock")
+        } catch (e: IllegalStateException) {
+          Log.w(TAG, "Focus failed, camera device was already closed: ${e.message}")
+        } catch (e: CameraAccessException) {
+          Log.w(TAG, "Focus failed, camera not accessible: ${e.message}")
         }
       }
       focusJob?.join()
@@ -259,9 +263,15 @@ class PersistentCameraCaptureSession(private val cameraManager: CameraManager, p
           return@launch
         }
         Log.i(TAG, "Resetting focus to auto-focus...")
+        try {
           repeatingRequest.createCaptureRequest(device, deviceDetails, outputs).also { request ->
             session.setRepeatingRequest(request.build(), null, null)
           }
+        } catch (e: IllegalStateException) {
+          Log.w(TAG, "Failed to reset focus, camera device was already closed: ${e.message}")
+        } catch (e: CameraAccessException) {
+          Log.w(TAG, "Failed to reset focus, camera not accessible: ${e.message}")
+        }
       }
     }
   }