Aperture: Reset exposure status on manual focus

Change-Id: I42080722367da70e938eaee77e7550db546de2a0
diff --git a/app/src/main/java/org/lineageos/aperture/CameraActivity.kt b/app/src/main/java/org/lineageos/aperture/CameraActivity.kt
index 2e828fe..6b7e4d1 100644
--- a/app/src/main/java/org/lineageos/aperture/CameraActivity.kt
+++ b/app/src/main/java/org/lineageos/aperture/CameraActivity.kt
@@ -371,6 +371,10 @@
             return@setOnTouchListener false
         }
         viewFinder.setOnClickListener { view ->
+            // Reset exposure level to 0 EV
+            cameraController.cameraControl?.setExposureCompensationIndex(0)
+            exposureLevel.progress = 0.5f
+
             exposureLevel.isVisible = true
             viewFinderTouchEvent?.let {
                 viewFinderFocus.x = it.x - (viewFinderFocus.width / 2)