Revert "Issue #1053 - Part 1c: Remove references to mobile/android targets and paths"

This reverts commit b21588597c.

testing/mozharness/configs/merge_day/bump_esr.py

@@ -0,0 +1,24 @@
+import os
+
+ABS_WORK_DIR = os.path.join(os.getcwd(), "build")
+config = {
+    "vcs_share_base": os.path.join(ABS_WORK_DIR, 'hg-shared'),
+    "log_name": "bump_esr",
+    "version_files": [
+        {"file": "browser/config/version.txt", "suffix": ""},
+        {"file": "browser/config/version_display.txt", "suffix": ""},
+        {"file": "config/milestone.txt", "suffix": ""},
+    ],
+    "tools_repo_url": "https://hg.mozilla.org/build/tools",
+    "tools_repo_branch": "default",
+    "to_repo_url": "ssh://hg.mozilla.org/releases/mozilla-esr52",
+
+    "migration_behavior": "bump_second_digit",
+    "require_remove_locales": False,
+    "requires_head_merge": False,
+    "default_actions": [
+        "clean-repos",
+        "pull",
+        "bump_second_digit"
+    ],
+}