Take care of a bunch of pending GPU rebaselines and remove tests from ignored-tests.txt

expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release-DirectWrite/expected-results.json

Index: expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release-DirectWrite/expected-results.json
diff --git a/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release-DirectWrite/expected-results.json b/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release-DirectWrite/expected-results.json
index 9221cf0cdb428025fc88b9f796fc4226e169cb69..df01308397ae45b4b82b5451e4bc2714c29b508a 100644
--- a/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release-DirectWrite/expected-results.json
+++ b/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release-DirectWrite/expected-results.json
@@ -4767,7 +4767,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          14883788634267734591
+          12241316569839901585
         ]
       ], 
       "reviewed-by-human": true
@@ -4956,7 +4956,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          9728138740685428331
+          1503976714167724830
         ]
       ], 
       "reviewed-by-human": true
@@ -5145,7 +5145,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          9291497561597623276
+          7150690595680088793
         ]
       ], 
       "reviewed-by-human": true
@@ -5792,7 +5792,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          17547680681124627771
+          5752432145406068435
         ]
       ], 
       "reviewed-by-human": true
@@ -12228,10 +12228,10 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          14873078309899436312
+          7468160426894723766
         ]
       ], 
-      "reviewed-by-human": false
+      "reviewed-by-human": true
     }, 
     "vertices_80_pdf-poppler.png": {
       "allowed-digests": [