PackWriter: Prefer boolean operators over logical operators in comparisons

Using the | and & operators in boolean conditions results in a warning
from Error Prone:

  [ShortCircuitBoolean]
  Prefer the short-circuiting boolean operators && and || to & and |.
  see https://errorprone.info/bugpattern/ShortCircuitBoolean

Change-Id: I4275c60306e43c74030c4465ba02cb853ad444e1
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/PackWriter.java

@@ -2198,7 +2198,7 @@ public class PackWriter implements AutoCloseable {
 		if (!cachedPacks.isEmpty()) {
 			if (otp.isEdge())
 				return;
-			if ((nFmt == PACK_WHOLE) | (nFmt == PACK_DELTA)) {
+			if (nFmt == PACK_WHOLE || nFmt == PACK_DELTA) {
 				for (CachedPack pack : cachedPacks) {
 					if (pack.hasObject(otp, next)) {
 						otp.setEdge();
@@ -2241,7 +2241,7 @@ public class PackWriter implements AutoCloseable {
 			otp.clearReuseAsIs();
 		}
 
-		otp.setDeltaAttempted(reuseDeltas & next.wasDeltaAttempted());
+		otp.setDeltaAttempted(reuseDeltas && next.wasDeltaAttempted());
 		otp.select(next);
 	}