[generation] Preserve newlines in `info` tag

tools/generation/lib/template.py

@@ -149,7 +149,7 @@ class Template:
             info.append(indent(case_values['meta']['info']))
 
         if len(info):
-            lines.append('info: >')
+            lines.append('info: |')
             lines += info
 
         lines.append('---*/')

tools/generation/test/expected/normal/features-normal.js

@@ -7,7 +7,7 @@ es6id: 1.2.3
 features: [f1]
 flags: [generated, a, b]
 includes: [foo.js]
-info: >
+info: |
     case info
 ---*/
 

tools/generation/test/expected/normal/info-multiline-folding-normal.js

@@ -6,7 +6,7 @@ description: foobar (First template name)
 es6id: 1.2.3
 flags: [generated, a, b]
 includes: [foo.js]
-info: >
+info: |
     This is an "info" field with an
 
     empty line

tools/generation/test/expected/normal/nested/path2-normal.js

@@ -6,7 +6,7 @@ description: foobar (Second template name)
 esid: sec-a-generic-id
 flags: [generated, a, b]
 includes: [foo.js, bar.js]
-info: >
+info: |
     template info
 
     case info

tools/generation/test/expected/normal/no-info-normal.js

@@ -6,7 +6,7 @@ description: foobar (First template name)
 es6id: 1.2.3
 flags: [generated, a, b]
 includes: [foo.js]
-info: >
+info: |
     case info
 ---*/
 

tools/generation/test/expected/normal/path1-normal.js

@@ -6,7 +6,7 @@ description: foobar (First template name)
 es6id: 1.2.3
 flags: [generated, a, b, c, d]
 includes: [foo.js]
-info: >
+info: |
     template info
 
     case info