Verify Formatter.java vs. OpenJDK 8u121-b13.

Add a change marker to call out the fact that the top-level
javadoc also carries some minor tweaks regarding the Locale-
specific exponent symbol.

Bug: 35910877
Test: Treehugger

Change-Id: I33185b469dfa0964cab90f23f4b9f6fce9d61e62
1 file changed