[Test] Bump the android test devices (#33395)

Upgraded Android test devices to Pixel 3 or later.

tools/internal_ci/linux/grpc_android_in_docker.sh

@@ -46,14 +46,11 @@ gcloud firebase test android run \
     --type instrumentation \
     --app app/build/outputs/apk/debug/app-debug.apk \
     --test app/build/outputs/apk/androidTest/debug/app-debug-androidTest.apk \
-    --device model=Nexus6P,version=27,locale=en,orientation=portrait \
-    --device model=Nexus6P,version=26,locale=en,orientation=portrait \
-    --device model=Nexus6P,version=25,locale=en,orientation=portrait \
-    --device model=Nexus6P,version=24,locale=en,orientation=portrait \
-    --device model=Nexus6P,version=23,locale=en,orientation=portrait \
-    --device model=Nexus6,version=22,locale=en,orientation=portrait \
-    --device model=Nexus6,version=21,locale=en,orientation=portrait \
-    --device model=walleye,version=28,locale=en,orientation=portrait
+    --device model=blueline,version=28,locale=en,orientation=portrait \
+    --device model=a10,version=29,locale=en,orientation=portrait \
+    --device model=redfin,version=30,locale=en,orientation=portrait \
+    --device model=oriole,version=31,locale=en,orientation=portrait \
+    --device model=oriole,version=32,locale=en,orientation=portrait
 
 # Build hello world example
 cd "${REPO_ROOT}/examples/android/helloworld"