Fixed BackupSettingsTest (update blacklists)

Adjust blacklist to add new settings that shouldn't be backed up

Bug: 37684646

Test: mmma -j40 frameworks/base/core/tests/coretests, then
adb install -r ${ANDROID_PRODUCT_OUT}/data/app/FrameworksCoreTests/FrameworksCoreTests.apk, then
adb shell am instrument -w -e class android.provider.SettingsBackupTest com.android.frameworks.coretests/android.support.test.runner.AndroidJUnitRunner

Change-Id: I90e67d79ad158efe7261e3291274eb62a2ed6420