Check Bundle length is aligned by 4 when readFromParcel.

Otherwise throw an IllegalStateException.
Fix: 26885514
Test: Make the bundle length not aligned by 4 and observe the IllegalStateException.

Change-Id: I57f0d5babdf1b8f1074eb2f4f76b71926db8b93c

core/java/android/os/BaseBundle.java

@@ -1601,12 +1601,13 @@ public class BaseBundle {
     private void readFromParcelInner(Parcel parcel, int length) {
         if (length < 0) {
             throw new RuntimeException("Bad length in parcel: " + length);
-
         } else if (length == 0) {
             // Empty Bundle or end of data.
             mParcelledData = NoImagePreloadHolder.EMPTY_PARCEL;
             mParcelledByNative = false;
             return;
+        } else if (length % 4 != 0) {
+            throw new IllegalStateException("Bundle length is not aligned by 4: " + length);
         }
 
         final int magic = parcel.readInt();