Add support for ETWS primary notification messages.
Add method for easy concatenation of GSM multi-part broadcasts.
Add test cases for SmsCbHeader, SmsCbMessage and IntRangeManager.
Change-Id: Ifc646a011e79ad6c7eace9afcf84b1216eb42b7a
Implement full support for SMS Cell Broadcast (3GPP TS 23.041).
Includes support for ETWS and CMAS emergency message types.
Includes GSM and UMTS support (CDMA will be added later).
Note: the change to GsmAlphabet.java is only necessary if the
SMS national languages support patch has been applied. If that
change has not been applied, then the changes to GsmAlphabet.java
in this patch set can safely be ignored.
Change-Id: Ia0362c53695b8ef9a0982f558f1cffa912def34b
