Made startup activity power management check failure a log warning rather than error

Author: jones139

CHANGELOG.md

@@ -1,5 +1,6 @@
 	OpenSeizureDetector Android App - Change Log
 	============================================
+    V5.0.8  - Fixed crash of advanced mode user interface (Issue #251)
     V5.0.7  - Fixed potential crash after changing settings (Issue #244).
             - Fixed issue where using the mute function on watch does not prevent fault pip sounds (Issue #247)
     V5.0.6  - Disable 'Raise Alarm' button when using Network Data Source to prevent accidental alarm activations.

app/src/main/java/uk/org/openseizuredetector/activity/startup/StartupActivity.java

@@ -376,7 +376,7 @@ protected void onStart() {
             if (preventBatteryOptWarning) {
                 Log.i(TAG, "onStart(): PreventBatteryOptWarning is true, so not displaying battery optimisation dialog");
             } else {
-                Log.e(TAG, "onStart(): Power Management Problem - not ignoring Battery Optimisations");
+                Log.w(TAG, "onStart(): Power Management Problem - not ignoring Battery Optimisations");
                 //mUtil.showToast("WARNING - Phone is Optimising OpenSeizureDetector Battery Usage - this is likely to prevent it working correctly when running on battery!");
                 if (!mBatteryOptDialogDisplayed) showBatteryOptimisationWarningDialog();
             }