Set min_sdk_version (system/core)

Many modules requiring min_sdk_version have been used without setting
it, but hard-coded in allowlist.

Bug: 158059172
Test: m
Change-Id: Ibb09ddfdb11df0791a28eb8a0a49f1780084fd95

android/apex.go

@@ -878,12 +878,8 @@ var minSdkVersionAllowlist = func(apiMap map[string]int) map[string]ApiLevel {
 	"kotlinx-coroutines-android-nodeps":                        30,
 	"kotlinx-coroutines-core":                                  28,
 	"kotlinx-coroutines-core-nodeps":                           30,
-	"libasyncio":                                               30,
 	"libbrotli":                                                30,
-	"libbuildversion":                                          30,
 	"libcrypto_static":                                         30,
-	"libcrypto_utils":                                          30,
-	"libdiagnose_usb":                                          30,
 	"libeigen":                                                 30,
 	"liblz4":                                                   30,
 	"libmdnssd":                                                30,
@@ -893,7 +889,6 @@ var minSdkVersionAllowlist = func(apiMap map[string]int) map[string]ApiLevel {
 	"libprocpartition":                                         30,
 	"libprotobuf-java-lite":                                    30,
 	"libprotoutil":                                             30,
-	"libsync":                                                  30,
 	"libtextclassifier_hash_headers":                           30,
 	"libtextclassifier_hash_static":                            30,
 	"libtflite_kernel_utils":                                   30,

cc/libbuildversion/Android.bp

@@ -14,6 +14,7 @@ cc_library_static {
             enabled: true,
         },
     },
+    min_sdk_version: "26",
     apex_available: [
         "//apex_available:platform",
         "//apex_available:anyapex",