fix(leanback): TV 横幅改为按密度输出 16:9 位图，移除抢占密度的 anydpi-v26 自适应图标

Verification: bash ./gradlew :app:testLeanbackArm64_v8aDebugUnitTest --tests com.fongmi.android.tv.setting.AppBrandingContractTest => 13 tests, 0 failures, 0 errors (新增 tvBannerIsProvidedPerDensityAtFullResolution / tvBannerUsesBitmapDensitiesNotAdaptiveIcon 均执行); 重跑 scripts/gen_app_icon.py 后 5 个密度 ic_banner.png md5 与改动前一致（生成幂等），banner 实测尺寸 160x90/240x135/320x180/480x270/640x360 全为 16:9 Task-Guard: tv-banner-density
2026-10-18 07:09:16 +00:00 · 2026-10-04 02:10:38 +08:00 · 2026-10-04 02:10:38 +08:00 · 255059d48b
commit 255059d48b
parent 62527bec42
11 changed files with 195 additions and 42 deletions
--- a/app/src/leanback/res/drawable/ic_banner.png
+++ b/app/src/leanback/res/drawable/ic_banner.png
--- a/app/src/leanback/res/drawable/ic_banner_foreground.xml
+++ b/app/src/leanback/res/drawable/ic_banner_foreground.xml
--- a/app/src/leanback/res/mipmap-anydpi-v26/ic_banner.xml
+++ b/app/src/leanback/res/mipmap-anydpi-v26/ic_banner.xml
--- a/app/src/leanback/res/mipmap-hdpi/ic_banner.png
+++ b/app/src/leanback/res/mipmap-hdpi/ic_banner.png
--- a/app/src/leanback/res/mipmap-mdpi/ic_banner.png
+++ b/app/src/leanback/res/mipmap-mdpi/ic_banner.png
--- a/app/src/leanback/res/mipmap-xhdpi/ic_banner.png
+++ b/app/src/leanback/res/mipmap-xhdpi/ic_banner.png
--- a/app/src/leanback/res/mipmap-xxhdpi/ic_banner.png
+++ b/app/src/leanback/res/mipmap-xxhdpi/ic_banner.png
--- a/app/src/leanback/res/mipmap-xxxhdpi/ic_banner.png
+++ b/app/src/leanback/res/mipmap-xxxhdpi/ic_banner.png
--- a/app/src/test/java/com/fongmi/android/tv/setting/AppBrandingContractTest.java
+++ b/app/src/test/java/com/fongmi/android/tv/setting/AppBrandingContractTest.java
--- a/scripts/assets/NotoSansSC-Bold-brandmark.otf
+++ b/scripts/assets/NotoSansSC-Bold-brandmark.otf
--- a/scripts/gen_app_icon.py
+++ b/scripts/gen_app_icon.py