Set min_sdk_version to be part of mainline modules

Modules contributing mainline modules (APK/APEX) should set
min_sdk_version as well as apex_available.

For now setting min_sdk_version doesn't change build outputs.
But build-time checks will be added soon.

Bug: 152655956
Test: m
Merged-In: I212003d617a04b1cf42c4f5a119708f01401caa3
Change-Id: I212003d617a04b1cf42c4f5a119708f01401caa3
(cherry picked from commit 42b623b81b8f19a2e90543c59e9b5b6fdec4dd60)
diff --git a/Android.bp b/Android.bp
index 62b88dc..736dfd2 100644
--- a/Android.bp
+++ b/Android.bp
@@ -64,6 +64,7 @@
         "com.android.adbd",
         "com.android.media.swcodec",
     ],
+    min_sdk_version: "29",
 }
 
 cc_genrule {
@@ -97,6 +98,7 @@
         "com.android.adbd",
         "com.android.media.swcodec",
     ],
+    min_sdk_version: "29",
 }
 
 cc_genrule {
@@ -140,6 +142,7 @@
         "com.android.adbd",
         "com.android.media.swcodec",
     ],
+    min_sdk_version: "29",
 }
 
 cc_object {
@@ -221,6 +224,7 @@
         "com.android.adbd",
         "com.android.media.swcodec",
     ],
+    min_sdk_version: "29",
 }
 
 // Example ASan-ified libminijail shared library for target.
@@ -463,6 +467,6 @@
     target: {
         darwin: {
             enabled: false,
-        }
+        },
     },
 }