release: cut the v9.1.7 release (#37116)

Note: This commit was applied to the 9.1.x branch
out of order because local changes were not pushed
directly after the 9.1.7 release. You can see what
is actually included in 9.1.7 using its tag here:
https://github.com/angular/angular/commits/9.1.7

PR Close #37116

CHANGELOG.md

@@ -1,3 +1,9 @@
+<a name="9.1.7"></a>
+## [9.1.7](https://github.com/angular/angular/compare/9.1.6...9.1.7) (2020-05-13)
+
+This release contains various API docs improvements.
+
+
 <a name="9.1.6"></a>
 ## [9.1.6](https://github.com/angular/angular/compare/9.1.5...9.1.6) (2020-05-08)
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "angular-srcs",
-  "version": "9.1.6",
+  "version": "9.1.7",
   "private": true,
   "description": "Angular - a web framework for modern web apps",
   "homepage": "https://github.com/angular/angular",