Update the copyrights

...k/src/androidTest/java/org/matrix/olm/OlmAccountTest.java

.../androidTest/java/org/matrix/olm/OlmGroupSessionTest.java

...k/src/androidTest/java/org/matrix/olm/OlmSessionTest.java

...k/src/androidTest/java/org/matrix/olm/OlmUtilityTest.java

...m-sdk/src/androidTest/java/org/matrix/olm/TestHelper.java

...dk/src/main/java/org/matrix/olm/CommonSerializeUtils.java

...bSdk/olm-sdk/src/main/java/org/matrix/olm/OlmAccount.java

...dk/olm-sdk/src/main/java/org/matrix/olm/OlmException.java

.../src/main/java/org/matrix/olm/OlmInboundGroupSession.java

...bSdk/olm-sdk/src/main/java/org/matrix/olm/OlmManager.java

...bSdk/olm-sdk/src/main/java/org/matrix/olm/OlmMessage.java

...src/main/java/org/matrix/olm/OlmOutboundGroupSession.java

...bSdk/olm-sdk/src/main/java/org/matrix/olm/OlmSession.java

...bSdk/olm-sdk/src/main/java/org/matrix/olm/OlmUtility.java

java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.cpp

java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.h

...LibSdk/olm-sdk/src/main/jni/olm_inbound_group_session.cpp

...lmLibSdk/olm-sdk/src/main/jni/olm_inbound_group_session.h

java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni.h

...android/OlmLibSdk/olm-sdk/src/main/jni/olm_jni_helper.cpp