Add unit tests tags

...thod/keyboard/MoreKeysKeyboardBuilderFixedOrderTests.java

...id/inputmethod/keyboard/MoreKeysKeyboardBuilderTests.java

...c/com/android/inputmethod/keyboard/SpacebarTextTests.java

.../inputmethod/keyboard/internal/KeySpecParserCsvTests.java

...oid/inputmethod/keyboard/internal/KeySpecParserTests.java

...ethod/keyboard/internal/KeyboardStateMultiTouchTests.java

...thod/keyboard/internal/KeyboardStateSingleTouchTests.java

...putmethod/keyboard/internal/PointerTrackerQueueTests.java

...src/com/android/inputmethod/latin/BlueUnderlineTests.java

.../src/com/android/inputmethod/latin/EditDistanceTests.java

...c/com/android/inputmethod/latin/ForgettingCurveTests.java

.../com/android/inputmethod/latin/FusionDictionaryTests.java

tests/src/com/android/inputmethod/latin/InputLogicTests.java

.../android/inputmethod/latin/InputLogicTestsNonEnglish.java

...src/com/android/inputmethod/latin/InputPointersTests.java

tests/src/com/android/inputmethod/latin/InputTestsBase.java

...s/src/com/android/inputmethod/latin/PunctuationTests.java

...com/android/inputmethod/latin/ResizableIntArrayTests.java

...m/android/inputmethod/latin/RichInputConnectionTests.java

...s/src/com/android/inputmethod/latin/StringUtilsTests.java