Mms: Send Messaging with attachment,repeat 10-20 times crash
Mms: Send Messaging with attachment,repeat 10-20 times crash

ConcurrentModificationException occurs when you add the elements
while traversing a list with Iterator.
The issue is resolved by using CopyOnWriteArrayList instead of
ArrayList.

Change-Id: Ic717ed047475eae9a810d5767ed0a3fbf41ae86f
Author: Wenjie Qin <7563377225d132dc180344cff7f7a53a97e0b904@borqs.com>
Signed-off-by: Frederic Predon <34cc859a2f319e96ed21b7732c35ef57eac4b5cf@intel.com>
Signed-off-by: Xiaokang Qin <88ba965a8820af81e53cbc09e7c353c15d0cb10b@intel.com>
Signed-off-by: Beare, Bruce J <59fda544ce74eec5943b18fdd05e82f743b9b114@intel.com>
Signed-off-by: Jack Ren <167cc1f7c253fed81a725ec35bcd442aa9b4f515@intel.com>
Author-tracking-BZ: 7844

bmaupin/android-sms-plus