hg: jdk/sandbox: 8248231: deserializeLambda created with wrong encoding if platform encoding not UTF-8

[chris.hegarty at oracle.com]

Changeset: 335ae2826fbf
Author:    aleonard
Date:      2020-07-08 09:23 -0400
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/335ae2826fbf

8248231: deserializeLambda created with wrong encoding if platform encoding not UTF-8
Reviewed-by: vromero

! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/LambdaToMethod.java
+ test/jdk/java/lang/invoke/lambda/LambdaFileEncodingSerialization.java
+ test/jdk/java/lang/invoke/lambda/TestLambdaFileEncodingSerialization.java