fixup! Updated pf service. Check for dal hash. Send more broadcasts:

Author: microbit-sam

src/main/java/org/microbit/android/partialflashing/PartialFlashingBaseService.java

@@ -290,7 +290,7 @@ public Boolean attemptPartialFlash(String filePath) {
 
                 // Find DAL hash
                 String hashes = hex.getDataFromIndex(magicIndex + 1);
-                if!(hashes.substring(0, 8).equals(dalHash)) {
+                if(!hashes.substring(0, 8).equals(dalHash)) {
                         return false;
                 }