gecko/mobile/android/base/sync
..
config
crypto
delegates
jpake
log/writers
middleware
net
receivers
repositories
setup
stage
syncadapter
synchronizer
AlreadySyncingException.java
CollectionKeys.java
CommandProcessor.java
CommandRunner.java
CredentialException.java
CredentialsSource.java
CryptoRecord.java
DelayedWorkTracker.java
EngineSettings.java
ExtendedJSONObject.java
GlobalConstants.java.in
GlobalSession.java
HTTPFailureException.java
InfoCollections.java
InfoCounts.java
JSONRecordFetcher.java
KeyBundleProvider.java
Logger.java
MetaGlobal.java
MetaGlobalException.java
MetaGlobalMissingEnginesException.java
MetaGlobalNotSetException.java
NoCollectionKeysSetException.java
NodeAuthenticationException.java
NonArrayJSONException.java
NonObjectJSONException.java
NullClusterURLException.java
PersistedMetaGlobal.java
PrefsSource.java
README.txt
Server11PreviousPostFailedException.java
Server11RecordPostFailedException.java
StubActivity.java
SyncConfiguration.java
SyncConfigurationException.java
SyncConstants.java.in
SyncException.java
SynchronizerConfiguration.java
ThreadPool.java
UnexpectedJSONException.java
UnknownSynchronizerConfigurationVersionException.java
Utils.java

These files are managed in the android-sync repo. Do not modify directly, or your changes will be lost.