docs: adding warning to managedQuery() JavaDoc about cursor.close()
docs: adding warning to managedQuery() JavaDoc about cursor.close()

Change-Id: I31ba29f1781f7d83342582e25cf6aad0c72aa103

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