Make StringPool entry types trivially movable.
Make StringPool entry types trivially movable.

Change-Id: If93957a840a0f1cae2e6ef291eeeb1b0c7c20958

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base