[style] Shorten line lengths and import order in bitmap code

Change-Id: I420fcd308a97e30b8c74026d74b93ed3ec74bb3f
Signed-off-by: Terry Parker <tparker@google.com>

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

@@ -65,11 +65,11 @@ import org.eclipse.jgit.internal.storage.file.PackBitmapIndexBuilder;
 import org.eclipse.jgit.internal.storage.file.PackBitmapIndexRemapper;
 import org.eclipse.jgit.internal.storage.pack.PackWriterBitmapWalker.AddUnseenToBitmapFilter;
 import org.eclipse.jgit.lib.AnyObjectId;
+import org.eclipse.jgit.lib.BitmapIndex.BitmapBuilder;
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.lib.ObjectReader;
 import org.eclipse.jgit.lib.ProgressMonitor;
-import org.eclipse.jgit.lib.BitmapIndex.BitmapBuilder;
 import org.eclipse.jgit.revwalk.ObjectWalk;
 import org.eclipse.jgit.revwalk.RevCommit;
 import org.eclipse.jgit.revwalk.RevObject;

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

@@ -168,7 +168,8 @@ final class PackWriterBitmapWalker {
 
 			if (bitmap.contains(cmit)) {
 				// already included
-			} else if ((visitedBitmap = bitmap.getBitmapIndex().getBitmap(cmit)) != null) {
+			} else if ((visitedBitmap = bitmap.getBitmapIndex()
+					.getBitmap(cmit)) != null) {
 				bitmap.or(visitedBitmap);
 			} else {
 				bitmap.addObject(cmit, Constants.OBJ_COMMIT);
@@ -221,7 +222,8 @@ final class PackWriterBitmapWalker {
 
 			if (seen.contains(cmit) || bitmap.contains(cmit)) {
 				// already seen or included
-			} else if ((visitedBitmap = bitmap.getBitmapIndex().getBitmap(cmit)) != null) {
+			} else if ((visitedBitmap = bitmap.getBitmapIndex()
+					.getBitmap(cmit)) != null) {
 				bitmap.or(visitedBitmap);
 			} else {
 				bitmap.addObject(cmit, Constants.OBJ_COMMIT);