Fixing up min_sdk_version for a few targets

Bug: 944073
Change-Id: Ib2225f1e075bcf4b58e4046268a49a896e795f34
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1532891
Commit-Queue: Sam Maier <smaier@chromium.org>
Commit-Queue: Andrew Grieve <agrieve@chromium.org>
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Auto-Submit: Sam Maier <smaier@chromium.org>
Cr-Commit-Position: refs/heads/master@{#643002}

chrome/android/BUILD.gn

@@ -1591,11 +1591,9 @@ template("chrome_public_apk_or_module_tmpl") {
     deps = _chrome_public_shared_deps
 
     if (_is_modern) {
-      min_sdk_version = 21
       android_manifest = chrome_modern_public_android_manifest
       android_manifest_dep = ":chrome_modern_public_android_manifest"
     } else {
-      min_sdk_version = 19
       android_manifest = chrome_public_android_manifest
       android_manifest_dep = ":chrome_public_android_manifest"
     }

chrome/android/chrome_public_apk_tmpl.gni

@@ -118,6 +118,16 @@ template("chrome_public_common_apk_or_module_tmpl") {
   target(_target_type, target_name) {
     forward_variables_from(invoker, "*")
 
+    if (_is_trichrome) {
+      min_sdk_version = 28
+    } else if (_is_monochrome) {
+      min_sdk_version = 24
+    } else if (_is_modern) {
+      min_sdk_version = 21
+    } else {
+      min_sdk_version = 19
+    }
+
     resource_blacklist_regex = "[/-]xxxhdpi[/-]"
 
     # Exception rationale in https://crbug.com/691733.
@@ -342,7 +352,6 @@ template("monochrome_public_common_apk_or_module_tmpl") {
       }
       alternative_android_sdk_dep = webview_framework_dep
       app_as_shared_lib = true
-      min_sdk_version = 24
       _pak_prefix = "monochrome"
     }
     if (is_trichrome) {
@@ -359,7 +368,6 @@ template("monochrome_public_common_apk_or_module_tmpl") {
       if (android_64bit_target_cpu && build_apk_secondary_abi) {
         secondary_native_lib_placeholders = [ "libdummy.so" ]
       }
-      min_sdk_version = 28
       _pak_prefix = "trichrome_chrome"
     }
 

chrome/android/trichrome.gni

@@ -58,6 +58,7 @@ template("trichrome_library_apk_tmpl") {
     uncompress_dex = use_uncompressed_dex
     version_name = chrome_version_name
     version_code = trichrome_version_code
+    min_sdk_version = 28
 
     # TODO(torne): using system_webview_resources just to get a temporary icon
     deps = [