Fix skia_gpu=0 build (samplecode/SampleAnimatedText.cpp)
Fix skia_gpu=0 build (samplecode/SampleAnimatedText.cpp)

Fix skia_gpu=0 build (samplecode/SampleAnimatedText.cpp).

Review URL: https://codereview.chromium.org/1454653002

qrealka/skia-hc,rubenvb/skia,HalCanary/skia-hc,aosp-mirror/platform_external_skia,google/skia,Hikari-no-Tenshi/android_external_skia,google/skia,qrealka/skia-hc,tmpvar/skia.cc,tmpvar/skia.cc,google/skia,aosp-mirror/platform_external_skia,Hikari-no-Tenshi/android_external_skia,tmpvar/skia.cc,aosp-mirror/platform_external_skia,tmpvar/skia.cc,HalCanary/skia-hc,tmpvar/skia.cc,Hikari-no-Tenshi/android_external_skia,tmpvar/skia.cc,rubenvb/skia,Hikari-no-Tenshi/android_external_skia,HalCanary/skia-hc,google/skia,Hikari-no-Tenshi/android_external_skia,HalCanary/skia-hc,google/skia,qrealka/skia-hc,Hikari-no-Tenshi/android_external_skia,qrealka/skia-hc,HalCanary/skia-hc,rubenvb/skia,HalCanary/skia-hc,aosp-mirror/platform_external_skia,google/skia,tmpvar/skia.cc,HalCanary/skia-hc,qrealka/skia-hc,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,HalCanary/skia-hc,aosp-mirror/platform_external_skia,Hikari-no-Tenshi/android_external_skia,google/skia,HalCanary/skia-hc,google/skia,tmpvar/skia.cc,qrealka/skia-hc,HalCanary/skia-hc,google/skia,rubenvb/skia,rubenvb/skia,rubenvb/skia,google/skia,rubenvb/skia,rubenvb/skia,qrealka/skia-hc,rubenvb/skia,rubenvb/skia,qrealka/skia-hc,tmpvar/skia.cc,aosp-mirror/platform_external_skia,Hikari-no-Tenshi/android_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia